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145264332 = 22312105361
BaseRepresentation
bin10001010100010…
…00111011001100
3101010100012012110
420222020323030
5244141424312
622225304020
73412504113
oct1052107314
9333305173
10145264332
1174aa8274
1240795010
1324131535
1415414c7a
15cb4643c
hex8a88ecc

145264332 has 12 divisors (see below), whose sum is σ = 338950136. Its totient is φ = 48421440.

The previous prime is 145264321. The next prime is 145264333. The reversal of 145264332 is 233462541.

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

It is a super-2 number, since 2×1452643322 = 42203452302812448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145264332.

It is not an unprimeable number, because it can be changed into a prime (145264333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6052669 + ... + 6052692.

Almost surely, 2145264332 is an apocalyptic number.

145264332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145264332 is an abundant number, since it is smaller than the sum of its proper divisors (193685804).

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

145264332 is a wasteful number, since it uses less digits than its factorization.

145264332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12105368 (or 12105366 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 145264332 is about 12052.5653700779. The cubic root of 145264332 is about 525.6778328565.

The spelling of 145264332 in words is "one hundred forty-five million, two hundred sixty-four thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 12105361 24210722 36316083 48421444 72632166 145264332