61028142 has 32 divisors (see below), whose sum is σ = 140016384. Its totient is φ = 17371200.

The previous prime is 61028111. The next prime is 61028153. The reversal of 61028142 is 24182016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9217 + ... + 14387.

It is an arithmetic number, because the mean of its divisors is an integer number (4375512).

Almost surely, 2^61028142 is an apocalyptic number.

61028142 is an abundant number, since it is smaller than the sum of its proper divisors (78988242).

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

61028142 is a wasteful number, since it uses less digits than its factorization.

61028142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 61028142 is about 7812.0510751019. The cubic root of 61028142 is about 393.7102450163.

The spelling of 61028142 in words is "sixty-one million, twenty-eight thousand, one hundred forty-two".