492739142 has 16 divisors (see below), whose sum is σ = 845056800. Its totient is φ = 211083648.

The previous prime is 492739133. The next prime is 492739147. The reversal of 492739142 is 241937294.

It is a self number, because there is not a number n which added to its sum of digits gives 492739142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492739147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34484 + ... + 46632.

It is an arithmetic number, because the mean of its divisors is an integer number (52816050).

Almost surely, 2^492739142 is an apocalyptic number.

492739142 is a deficient number, since it is larger than the sum of its proper divisors (352317658).

492739142 is a wasteful number, since it uses less digits than its factorization.

492739142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15055.

The product of its digits is 108864, while the sum is 41.

The square root of 492739142 is about 22197.7283071940. The cubic root of 492739142 is about 789.8398126315.

The spelling of 492739142 in words is "four hundred ninety-two million, seven hundred thirty-nine thousand, one hundred forty-two".