45123906 has 16 divisors (see below), whose sum is σ = 90524448. Its totient is φ = 14995200.

The previous prime is 45123893. The next prime is 45123961. The reversal of 45123906 is 60932154.

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, 9375 + ... + 13346.

It is an arithmetic number, because the mean of its divisors is an integer number (5657778).

Almost surely, 2^45123906 is an apocalyptic number.

45123906 is an abundant number, since it is smaller than the sum of its proper divisors (45400542).

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

45123906 is a wasteful number, since it uses less digits than its factorization.

45123906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23057.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 45123906 is about 6717.4329918504. The cubic root of 45123906 is about 356.0154908464.

The spelling of 45123906 in words is "forty-five million, one hundred twenty-three thousand, nine hundred six".