61054142 has 4 divisors (see below), whose sum is σ = 91581216. Its totient is φ = 30527070.

The previous prime is 61054139. The next prime is 61054151. The reversal of 61054142 is 24145016.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15263534 + ... + 15263537.

It is an arithmetic number, because the mean of its divisors is an integer number (22895304).

Almost surely, 2^61054142 is an apocalyptic number.

61054142 is a deficient number, since it is larger than the sum of its proper divisors (30527074).

61054142 is a wasteful number, since it uses less digits than its factorization.

61054142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30527073.

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

The square root of 61054142 is about 7813.7149935226. The cubic root of 61054142 is about 393.7661482585.

Adding to 61054142 its reverse (24145016), we get a palindrome (85199158).

It can be divided in two parts, 61054 and 142, that multiplied together give a palindrome (8669668).

The spelling of 61054142 in words is "sixty-one million, fifty-four thousand, one hundred forty-two".