61142234 has 32 divisors (see below), whose sum is σ = 103856256. Its totient is φ = 26836480.

The previous prime is 61142233. The next prime is 61142239. The reversal of 61142234 is 43224116.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61142233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31109 + ... + 33015.

It is an arithmetic number, because the mean of its divisors is an integer number (3245508).

Almost surely, 2^61142234 is an apocalyptic number.

61142234 is a deficient number, since it is larger than the sum of its proper divisors (42714022).

61142234 is a wasteful number, since it uses less digits than its factorization.

61142234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990.

The product of its digits is 1152, while the sum is 23.

The square root of 61142234 is about 7819.3499729837. The cubic root of 61142234 is about 393.9554391443.

The spelling of 61142234 in words is "sixty-one million, one hundred forty-two thousand, two hundred thirty-four".