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145361652 = 22312113471
BaseRepresentation
bin10001010101000…
…00101011110100
3101010112010200220
420222200223310
5244203033102
622231334340
73413360622
oct1052405364
9333463626
10145361652
11750643a7
12408213b0
1324166917
141543c512
15cb651bc
hex8aa0af4

145361652 has 12 divisors (see below), whose sum is σ = 339177216. Its totient is φ = 48453880.

The previous prime is 145361639. The next prime is 145361677. The reversal of 145361652 is 256163541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1453616522 = 42260019744338208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6056724 + ... + 6056747.

It is an arithmetic number, because the mean of its divisors is an integer number (28264768).

Almost surely, 2145361652 is an apocalyptic number.

145361652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145361652 is an abundant number, since it is smaller than the sum of its proper divisors (193815564).

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

145361652 is a wasteful number, since it uses less digits than its factorization.

145361652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12113478 (or 12113476 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 145361652 is about 12056.6020088581. The cubic root of 145361652 is about 525.7951994657.

The spelling of 145361652 in words is "one hundred forty-five million, three hundred sixty-one thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 12113471 24226942 36340413 48453884 72680826 145361652