61052145 has 32 divisors (see below), whose sum is σ = 121789440. Its totient is φ = 25371840.

The previous prime is 61052141. The next prime is 61052161. The reversal of 61052145 is 54125016.

It is not a de Polignac number, because 61052145 - 2² = 61052141 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (61052141) 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, 25275 + ... + 27584.

It is an arithmetic number, because the mean of its divisors is an integer number (3805920).

Almost surely, 2^61052145 is an apocalyptic number.

It is an amenable number.

61052145 is a deficient number, since it is larger than the sum of its proper divisors (60737295).

61052145 is a wasteful number, since it uses less digits than its factorization.

61052145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52885.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 61052145 is about 7813.5872043511. The cubic root of 61052145 is about 393.7618550223.

The spelling of 61052145 in words is "sixty-one million, fifty-two thousand, one hundred forty-five".