125577345 has 32 divisors (see below), whose sum is σ = 207201024. Its totient is φ = 64915200.

The previous prime is 125577313. The next prime is 125577359. The reversal of 125577345 is 543775521.

It is a happy number.

It is not a de Polignac number, because 125577345 - 2⁵ = 125577313 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

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, 63999 + ... + 65931.

It is an arithmetic number, because the mean of its divisors is an integer number (6475032).

Almost surely, 2^125577345 is an apocalyptic number.

125577345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125577345 is a deficient number, since it is larger than the sum of its proper divisors (81623679).

125577345 is a wasteful number, since it uses less digits than its factorization.

125577345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073.

The product of its digits is 147000, while the sum is 39.

The square root of 125577345 is about 11206.1297957859. The cubic root of 125577345 is about 500.7686112016.

The spelling of 125577345 in words is "one hundred twenty-five million, five hundred seventy-seven thousand, three hundred forty-five".