45423870 has 32 divisors (see below), whose sum is σ = 114756480. Its totient is φ = 11475360.

The previous prime is 45423823. The next prime is 45423871. The reversal of 45423870 is 7832454.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45423871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39276 + ... + 40415.

It is an arithmetic number, because the mean of its divisors is an integer number (3586140).

Almost surely, 2^45423870 is an apocalyptic number.

45423870 is an abundant number, since it is smaller than the sum of its proper divisors (69332610).

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

45423870 is a wasteful number, since it uses less digits than its factorization.

45423870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79720.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 45423870 is about 6739.7232880883. The cubic root of 45423870 is about 356.8026276811.

The spelling of 45423870 in words is "forty-five million, four hundred twenty-three thousand, eight hundred seventy".