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145494852 = 22312124571
BaseRepresentation
bin10001010110000…
…01001101000100
3101010202220102020
420223001031010
5244221313402
622234243140
73414454146
oct1053011504
9333686366
10145494852
1175145488
12408864b0
13241b2439
1415474c96
15cb8e8bc
hex8ac1344

145494852 has 12 divisors (see below), whose sum is σ = 339488016. Its totient is φ = 48498280.

The previous prime is 145494851. The next prime is 145494863. The reversal of 145494852 is 258494541.

145494852 is nontrivially palindromic in base 15.

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

It is not an unprimeable number, because it can be changed into a prime (145494851) 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, 6062274 + ... + 6062297.

It is an arithmetic number, because the mean of its divisors is an integer number (28290668).

Almost surely, 2145494852 is an apocalyptic number.

145494852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145494852 is an abundant number, since it is smaller than the sum of its proper divisors (193993164).

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

145494852 is a wasteful number, since it uses less digits than its factorization.

145494852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12124578 (or 12124576 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 145494852 is about 12062.1246884618. The cubic root of 145494852 is about 525.9557519873.

The spelling of 145494852 in words is "one hundred forty-five million, four hundred ninety-four thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 12124571 24249142 36373713 48498284 72747426 145494852