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144925464 = 23319893571
BaseRepresentation
bin10001010001101…
…10001100011000
3101002200222100210
420220312030120
5244100103324
622214131120
73406563135
oct1050661430
9332628323
10144925464
1174896712
1240650aa0
1324043218
141536758c
15cacad29
hex8a36318

144925464 has 64 divisors (see below), whose sum is σ = 385776000. Its totient is φ = 45239040.

The previous prime is 144925463. The next prime is 144925471. The reversal of 144925464 is 464529441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144925463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38799 + ... + 42369.

It is an arithmetic number, because the mean of its divisors is an integer number (6027750).

Almost surely, 2144925464 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 144925464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192888000).

144925464 is an abundant number, since it is smaller than the sum of its proper divisors (240850536).

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

144925464 is a wasteful number, since it uses less digits than its factorization.

144925464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688 (or 3684 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 144925464 is about 12038.4992420152. The cubic root of 144925464 is about 525.2687531019.

The spelling of 144925464 in words is "one hundred forty-four million, nine hundred twenty-five thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 89 114 152 178 228 267 356 456 534 712 1068 1691 2136 3382 3571 5073 6764 7142 10146 10713 13528 14284 20292 21426 28568 40584 42852 67849 85704 135698 203547 271396 317819 407094 542792 635638 814188 953457 1271276 1628376 1906914 2542552 3813828 6038561 7627656 12077122 18115683 24154244 36231366 48308488 72462732 144925464