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145265516 = 2211232792
BaseRepresentation
bin10001010100010…
…01001101101100
3101010100020211022
420222021031230
5244141444031
622225313312
73412510424
oct1052111554
9333306738
10145265516
1174aa9150
1240795838
1324131c36
1415415484
15cb4697b
hex8a8936c

145265516 has 54 divisors (see below), whose sum is σ = 293623092. Its totient is φ = 62359440.

The previous prime is 145265513. The next prime is 145265531. The reversal of 145265516 is 615562541.

It is a super-2 number, since 2×1452655162 = 42204140277492512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145265513) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1838765 + ... + 1838843.

Almost surely, 2145265516 is an apocalyptic number.

It is an amenable number.

145265516 is an abundant number, since it is smaller than the sum of its proper divisors (148357576).

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

145265516 is a wasteful number, since it uses less digits than its factorization.

145265516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 115 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The square root of 145265516 is about 12052.6144881515. The cubic root of 145265516 is about 525.6792610595.

The spelling of 145265516 in words is "one hundred forty-five million, two hundred sixty-five thousand, five hundred sixteen".

Divisors: 1 2 4 11 22 23 44 46 79 92 158 253 316 506 529 869 1012 1058 1738 1817 2116 3476 3634 5819 6241 7268 11638 12482 19987 23276 24964 39974 41791 68651 79948 83582 137302 143543 167164 274604 287086 459701 574172 919402 1578973 1838804 3157946 3301489 6315892 6602978 13205956 36316379 72632758 145265516