556012145 has 32 divisors (see below), whose sum is σ = 738697344. Its totient is φ = 399168000.

The previous prime is 556012141. The next prime is 556012159. The reversal of 556012145 is 541210655.

It is a happy number.

It is not a de Polignac number, because 556012145 - 2² = 556012141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556012141) 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, 924845 + ... + 925445.

It is an arithmetic number, because the mean of its divisors is an integer number (23084292).

Almost surely, 2^556012145 is an apocalyptic number.

It is an amenable number.

556012145 is a deficient number, since it is larger than the sum of its proper divisors (182685199).

556012145 is a wasteful number, since it uses less digits than its factorization.

556012145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 556012145 is about 23579.9097750606. The cubic root of 556012145 is about 822.2958390549.

The spelling of 556012145 in words is "five hundred fifty-six million, twelve thousand, one hundred forty-five".