61177142 has 16 divisors (see below), whose sum is σ = 100018800. Its totient is φ = 27894432.

The previous prime is 61177117. The next prime is 61177157. The reversal of 61177142 is 24177116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12017 + ... + 16332.

It is an arithmetic number, because the mean of its divisors is an integer number (6251175).

Almost surely, 2^61177142 is an apocalyptic number.

61177142 is a deficient number, since it is larger than the sum of its proper divisors (38841658).

61177142 is a wasteful number, since it uses less digits than its factorization.

61177142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28447.

The product of its digits is 2352, while the sum is 29.

The square root of 61177142 is about 7821.5818093273. The cubic root of 61177142 is about 394.0303986784.

The spelling of 61177142 in words is "sixty-one million, one hundred seventy-seven thousand, one hundred forty-two".