61142522 has 16 divisors (see below), whose sum is σ = 105069312. Its totient is φ = 26140560.

The previous prime is 61142519. The next prime is 61142561. The reversal of 61142522 is 22524116.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968 + ... + 11100.

It is an arithmetic number, because the mean of its divisors is an integer number (6566832).

Almost surely, 2^61142522 is an apocalyptic number.

61142522 is a deficient number, since it is larger than the sum of its proper divisors (43926790).

61142522 is a wasteful number, since it uses less digits than its factorization.

61142522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10573.

The product of its digits is 960, while the sum is 23.

The square root of 61142522 is about 7819.3683888150. The cubic root of 61142522 is about 393.9560576965.

Adding to 61142522 its reverse (22524116), we get a palindrome (83666638).

The spelling of 61142522 in words is "sixty-one million, one hundred forty-two thousand, five hundred twenty-two".