125156445 has 32 divisors (see below), whose sum is σ = 208331904. Its totient is φ = 64108800.

The previous prime is 125156443. The next prime is 125156491. The reversal of 125156445 is 544651521.

It is not a de Polignac number, because 125156445 - 2¹ = 125156443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125156443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37755 + ... + 40935.

It is an arithmetic number, because the mean of its divisors is an integer number (6510372).

Almost surely, 2^125156445 is an apocalyptic number.

125156445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125156445 is a deficient number, since it is larger than the sum of its proper divisors (83175459).

125156445 is a wasteful number, since it uses less digits than its factorization.

125156445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293.

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

The square root of 125156445 is about 11187.3341328486. The cubic root of 125156445 is about 500.2085063714.

The spelling of 125156445 in words is "one hundred twenty-five million, one hundred fifty-six thousand, four hundred forty-five".