125142545 has 8 divisors (see below), whose sum is σ = 163823040. Its totient is φ = 91012720.

The previous prime is 125142539. The next prime is 125142571. The reversal of 125142545 is 545241521.

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

It is not a de Polignac number, because 125142545 - 2¹⁸ = 124880401 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137605 + ... + 1137714.

It is an arithmetic number, because the mean of its divisors is an integer number (20477880).

Almost surely, 2^125142545 is an apocalyptic number.

It is an amenable number.

125142545 is a deficient number, since it is larger than the sum of its proper divisors (38680495).

125142545 is a wasteful number, since it uses less digits than its factorization.

125142545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275335.

The product of its digits is 8000, while the sum is 29.

The square root of 125142545 is about 11186.7128773380. The cubic root of 125142545 is about 500.1899878001.

The spelling of 125142545 in words is "one hundred twenty-five million, one hundred forty-two thousand, five hundred forty-five".