45289870 has 16 divisors (see below), whose sum is σ = 86317488. Its totient is φ = 17050240.

The previous prime is 45289861. The next prime is 45289897. The reversal of 45289870 is 7898254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133036 + ... + 133375.

It is an arithmetic number, because the mean of its divisors is an integer number (5394843).

Almost surely, 2^45289870 is an apocalyptic number.

45289870 is a deficient number, since it is larger than the sum of its proper divisors (41027618).

45289870 is a wasteful number, since it uses less digits than its factorization.

45289870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266435.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 45289870 is about 6729.7748847937. The cubic root of 45289870 is about 356.4514272817.

The spelling of 45289870 in words is "forty-five million, two hundred eighty-nine thousand, eight hundred seventy".