45487974 has 96 divisors (see below), whose sum is σ = 114393600. Its totient is φ = 12030480.

The previous prime is 45487927. The next prime is 45487991. The reversal of 45487974 is 47978454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1467339 + ... + 1467369.

It is an arithmetic number, because the mean of its divisors is an integer number (1191600).

Almost surely, 2^45487974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45487974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57196800).

45487974 is an abundant number, since it is smaller than the sum of its proper divisors (68905626).

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

45487974 is a wasteful number, since it uses less digits than its factorization.

45487974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 66 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 45487974 is about 6744.4772962773. The cubic root of 45487974 is about 356.9703935463.

The spelling of 45487974 in words is "forty-five million, four hundred eighty-seven thousand, nine hundred seventy-four".