61142 has 8 divisors (see below), whose sum is σ = 96600. Its totient is φ = 28944.

The previous prime is 61141. The next prime is 61151. The reversal of 61142 is 24116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767 + ... + 842.

It is an arithmetic number, because the mean of its divisors is an integer number (12075).

2⁶¹¹⁴² is an apocalyptic number.

61142 is a deficient number, since it is larger than the sum of its proper divisors (35458).

61142 is a wasteful number, since it uses less digits than its factorization.

61142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630.

The product of its digits is 48, while the sum is 14.

The square root of 61142 is about 247.2690841978. The cubic root of 61142 is about 39.3954936569.

Adding to 61142 its reverse (24116), we get a palindrome (85258).

It can be divided in two parts, 6114 and 2, that added together give a palindrome (6116).

The spelling of 61142 in words is "sixty-one thousand, one hundred forty-two".