292157242 has 16 divisors (see below), whose sum is σ = 478414440. Its totient is φ = 132993792.

The previous prime is 292157233. The next prime is 292157249. The reversal of 292157242 is 242751292.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 148133241 + 144024001 = 12171^2 + 12001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 292157198 and 292157207.

It is not an unprimeable number, because it can be changed into a prime (292157249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75067 + ... + 78862.

Almost surely, 2^292157242 is an apocalyptic number.

292157242 is a deficient number, since it is larger than the sum of its proper divisors (186257198).

292157242 is a wasteful number, since it uses less digits than its factorization.

292157242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154017.

The product of its digits is 20160, while the sum is 34.

The square root of 292157242 is about 17092.6078174163. The cubic root of 292157242 is about 663.5478077768.

The spelling of 292157242 in words is "two hundred ninety-two million, one hundred fifty-seven thousand, two hundred forty-two".