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148785468 = 223138311491
BaseRepresentation
bin10001101111001…
…00100100111100
3101100222002021220
420313210210330
5301042113333
622432553340
73454440606
oct1067444474
9340862256
10148785468
1176a927a7
12419b2850
1324a95150
1415a90176
15d0de8b3
hex8de493c

148785468 has 48 divisors (see below), whose sum is σ = 378408576. Its totient is φ = 45224640.

The previous prime is 148785467. The next prime is 148785491. The reversal of 148785468 is 864587841.

148785468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 148785468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148785467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7203 + ... + 18693.

It is an arithmetic number, because the mean of its divisors is an integer number (7883512).

Almost surely, 2148785468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148785468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189204288).

148785468 is an abundant number, since it is smaller than the sum of its proper divisors (229623108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148785468 is a wasteful number, since it uses less digits than its factorization.

148785468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11594 (or 11592 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 51.

The square root of 148785468 is about 12197.7648772224. The cubic root of 148785468 is about 529.8913601936.

The spelling of 148785468 in words is "one hundred forty-eight million, seven hundred eighty-five thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 83 156 166 249 332 498 996 1079 2158 3237 4316 6474 11491 12948 22982 34473 45964 68946 137892 149383 298766 448149 597532 896298 953753 1792596 1907506 2861259 3815012 5722518 11445036 12398789 24797578 37196367 49595156 74392734 148785468