125245645 has 16 divisors (see below), whose sum is σ = 171959040. Its totient is φ = 85785984.

The previous prime is 125245639. The next prime is 125245657. The reversal of 125245645 is 546542521.

It is a cyclic number.

It is not a de Polignac number, because 125245645 - 2¹⁷ = 125114573 is a prime.

It is a super-3 number, since 3×125245645³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125245645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44809 + ... + 47521.

It is an arithmetic number, because the mean of its divisors is an integer number (10747440).

Almost surely, 2^125245645 is an apocalyptic number.

It is an amenable number.

125245645 is a deficient number, since it is larger than the sum of its proper divisors (46713395).

125245645 is a wasteful number, since it uses less digits than its factorization.

125245645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044.

The product of its digits is 48000, while the sum is 34.

The square root of 125245645 is about 11191.3200740574. The cubic root of 125245645 is about 500.3273123532.

The spelling of 125245645 in words is "one hundred twenty-five million, two hundred forty-five thousand, six hundred forty-five".