61142952 has 32 divisors (see below), whose sum is σ = 164616480. Its totient is φ = 18813120.

The previous prime is 61142951. The next prime is 61142957. The reversal of 61142952 is 25924116.

It is not an unprimeable number, because it can be changed into a prime (61142951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97674 + ... + 98297.

It is an arithmetic number, because the mean of its divisors is an integer number (5144265).

Almost surely, 2^61142952 is an apocalyptic number.

It is an amenable number.

61142952 is an abundant number, since it is smaller than the sum of its proper divisors (103473528).

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

61142952 is a wasteful number, since it uses less digits than its factorization.

61142952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195993 (or 195989 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 61142952 is about 7819.3958845936. The cubic root of 61142952 is about 393.9569812257.

The spelling of 61142952 in words is "sixty-one million, one hundred forty-two thousand, nine hundred fifty-two".