45431560 has 32 divisors (see below), whose sum is σ = 104987160. Its totient is φ = 17680896.

The previous prime is 45431513. The next prime is 45431569. The reversal of 45431560 is 6513454.

It can be written as a sum of positive squares in 4 ways, for example, as 35784324 + 9647236 = 5982^2 + 3106^2 .

It is not an unprimeable number, because it can be changed into a prime (45431569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13869 + ... + 16828.

Almost surely, 2^45431560 is an apocalyptic number.

45431560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45431560 is an abundant number, since it is smaller than the sum of its proper divisors (59555600).

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

45431560 is a wasteful number, since it uses less digits than its factorization.

45431560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30745 (or 30741 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 45431560 is about 6740.2937621442. The cubic root of 45431560 is about 356.8227614227.

The spelling of 45431560 in words is "forty-five million, four hundred thirty-one thousand, five hundred sixty".