314642232153442 has 4 divisors (see below), whose sum is σ = 471963348230166. Its totient is φ = 157321116076720.

The previous prime is 314642232153439. The next prime is 314642232153499. The reversal of 314642232153442 is 244351232246413.

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

It can be written as a sum of positive squares in only one way, i.e., 278077002760881 + 36565229392561 = 16675641^2 + 6046919^2 .

It is a junction number, because it is equal to n+sod(n) for n = 314642232153392 and 314642232153401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78660558038359 + ... + 78660558038362.

Almost surely, 2^{314642232153442} is an apocalyptic number.

314642232153442 is a deficient number, since it is larger than the sum of its proper divisors (157321116076724).

314642232153442 is a wasteful number, since it uses less digits than its factorization.

314642232153442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157321116076723.

The product of its digits is 3317760, while the sum is 46.

Adding to 314642232153442 its reverse (244351232246413), we get a palindrome (558993464399855).

The spelling of 314642232153442 in words is "three hundred fourteen trillion, six hundred forty-two billion, two hundred thirty-two million, one hundred fifty-three thousand, four hundred forty-two".