45240870 has 64 divisors (see below), whose sum is σ = 113400000. Its totient is φ = 11536896.

The previous prime is 45240847. The next prime is 45240887. The reversal of 45240870 is 7804254.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 129456 + ... + 129804.

It is an arithmetic number, because the mean of its divisors is an integer number (1771875).

Almost surely, 2^45240870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45240870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56700000).

45240870 is an abundant number, since it is smaller than the sum of its proper divisors (68159130).

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

45240870 is a wasteful number, since it uses less digits than its factorization.

45240870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 45240870 is about 6726.1333617466. The cubic root of 45240870 is about 356.3228302930.

The spelling of 45240870 in words is "forty-five million, two hundred forty thousand, eight hundred seventy".