125645154 has 8 divisors (see below), whose sum is σ = 251290320. Its totient is φ = 41881716.

The previous prime is 125645153. The next prime is 125645173. The reversal of 125645154 is 451546521.

It is a sphenic number, since it is the product of 3 distinct primes.

125645154 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (125645153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10470424 + ... + 10470435.

It is an arithmetic number, because the mean of its divisors is an integer number (31411290).

Almost surely, 2^125645154 is an apocalyptic number.

125645154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

125645154 is a wasteful number, since it uses less digits than its factorization.

125645154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20940864.

The product of its digits is 24000, while the sum is 33.

The square root of 125645154 is about 11209.1549190829. The cubic root of 125645154 is about 500.8587296558.

The spelling of 125645154 in words is "one hundred twenty-five million, six hundred forty-five thousand, one hundred fifty-four".