39125145 has 32 divisors (see below), whose sum is σ = 64120320. Its totient is φ = 20367360.

The previous prime is 39125137. The next prime is 39125167. The reversal of 39125145 is 54152193.

It is not a de Polignac number, because 39125145 - 2³ = 39125137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162225 + ... + 162465.

It is an arithmetic number, because the mean of its divisors is an integer number (2003760).

Almost surely, 2^39125145 is an apocalyptic number.

It is an amenable number.

39125145 is a deficient number, since it is larger than the sum of its proper divisors (24995175).

39125145 is a wasteful number, since it uses less digits than its factorization.

39125145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465.

The product of its digits is 5400, while the sum is 30.

The square root of 39125145 is about 6255.0095923188. The cubic root of 39125145 is about 339.4834862041.

The spelling of 39125145 in words is "thirty-nine million, one hundred twenty-five thousand, one hundred forty-five".