45649870 has 32 divisors (see below), whose sum is σ = 95832000. Its totient is φ = 15650208.

The previous prime is 45649859. The next prime is 45649883. The reversal of 45649870 is 7894654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3225 + ... + 10084.

It is an arithmetic number, because the mean of its divisors is an integer number (2994750).

Almost surely, 2^45649870 is an apocalyptic number.

45649870 is an abundant number, since it is smaller than the sum of its proper divisors (50182130).

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

45649870 is a wasteful number, since it uses less digits than its factorization.

45649870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13337 (or 13323 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 45649870 is about 6756.4687522403. The cubic root of 45649870 is about 357.3933892417.

The spelling of 45649870 in words is "forty-five million, six hundred forty-nine thousand, eight hundred seventy".