125043545 has 16 divisors (see below), whose sum is σ = 165290112. Its totient is φ = 90053760.

The previous prime is 125043539. The next prime is 125043557. The reversal of 125043545 is 545340521.

It is a de Polignac number, because none of the positive numbers 2^k-125043545 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 5372 + ... + 16701.

It is an arithmetic number, because the mean of its divisors is an integer number (10330632).

Almost surely, 2^125043545 is an apocalyptic number.

It is an amenable number.

125043545 is a deficient number, since it is larger than the sum of its proper divisors (40246567).

125043545 is a wasteful number, since it uses less digits than its factorization.

125043545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22192.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 125043545 is about 11182.2871095318. The cubic root of 125043545 is about 500.0580532594.

The spelling of 125043545 in words is "one hundred twenty-five million, forty-three thousand, five hundred forty-five".