45649974 has 16 divisors (see below), whose sum is σ = 93527280. Its totient is φ = 14845440.

The previous prime is 45649939. The next prime is 45649987. The reversal of 45649974 is 47994654.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 92539 + ... + 93030.

It is an arithmetic number, because the mean of its divisors is an integer number (5845455).

Almost surely, 2^45649974 is an apocalyptic number.

45649974 is an abundant number, since it is smaller than the sum of its proper divisors (47877306).

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

45649974 is a wasteful number, since it uses less digits than its factorization.

45649974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185615.

The product of its digits is 1088640, while the sum is 48.

The square root of 45649974 is about 6756.4764485640. The cubic root of 45649974 is about 357.3936606473.

The spelling of 45649974 in words is "forty-five million, six hundred forty-nine thousand, nine hundred seventy-four".