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145468484 = 22719436359
BaseRepresentation
bin10001010101110…
…10110001000100
3101010201120020122
420222322301010
5244214442414
622233521112
73414314240
oct1052726104
9333646218
10145468484
1175127697
1240873198
13241a3435
1415469420
15cb86b8e
hex8abac44

145468484 has 48 divisors (see below), whose sum is σ = 313420800. Its totient is φ = 57679776.

The previous prime is 145468483. The next prime is 145468513. The reversal of 145468484 is 484864541.

It is a super-2 number, since 2×1454684842 = 42322159674516512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145468483) 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, 19697 + ... + 26055.

It is an arithmetic number, because the mean of its divisors is an integer number (6529600).

Almost surely, 2145468484 is an apocalyptic number.

145468484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145468484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156710400).

145468484 is an abundant number, since it is smaller than the sum of its proper divisors (167952316).

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

145468484 is a wasteful number, since it uses less digits than its factorization.

145468484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6432 (or 6430 counting only the distinct ones).

The product of its digits is 491520, while the sum is 44.

The square root of 145468484 is about 12061.0316308349. The cubic root of 145468484 is about 525.9239771194.

The spelling of 145468484 in words is "one hundred forty-five million, four hundred sixty-eight thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 19 28 38 43 76 86 133 172 266 301 532 602 817 1204 1634 3268 5719 6359 11438 12718 22876 25436 44513 89026 120821 178052 241642 273437 483284 546874 845747 1093748 1691494 1914059 3382988 3828118 5195303 7656236 10390606 20781212 36367121 72734242 145468484