45187952 has 30 divisors (see below), whose sum is σ = 90025488. Its totient is φ = 21972672.

The previous prime is 45187937. The next prime is 45187957. The reversal of 45187952 is 25978154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45187957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20873 + ... + 22935.

Almost surely, 2^45187952 is an apocalyptic number.

It is an amenable number.

45187952 is a deficient number, since it is larger than the sum of its proper divisors (44837536).

45187952 is a wasteful number, since it uses less digits than its factorization.

45187952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145 (or 2102 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 45187952 is about 6722.1984499121. The cubic root of 45187952 is about 356.1838464627.

The spelling of 45187952 in words is "forty-five million, one hundred eighty-seven thousand, nine hundred fifty-two".