61142396 has 18 divisors (see below), whose sum is σ = 124468848. Its totient is φ = 26203800.

The previous prime is 61142381. The next prime is 61142401. The reversal of 61142396 is 69324116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155780 + ... + 156171.

It is an arithmetic number, because the mean of its divisors is an integer number (6914936).

Almost surely, 2^61142396 is an apocalyptic number.

It is an amenable number.

61142396 is an abundant number, since it is smaller than the sum of its proper divisors (63326452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61142396 is a wasteful number, since it uses less digits than its factorization.

61142396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311969 (or 311960 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 61142396 is about 7819.3603318942. The cubic root of 61142396 is about 393.9557870802.

The spelling of 61142396 in words is "sixty-one million, one hundred forty-two thousand, three hundred ninety-six".