1157442404 has 12 divisors (see below), whose sum is σ = 2026296300. Its totient is φ = 578500608.

The previous prime is 1157442401. The next prime is 1157442413. The reversal of 1157442404 is 4042447511.

It can be written as a sum of positive squares in 2 ways, for example, as 671328100 + 486114304 = 25910^2 + 22048^2 .

It is not an unprimeable number, because it can be changed into a prime (1157442401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43049 + ... + 64560.

It is an arithmetic number, because the mean of its divisors is an integer number (168858025).

Almost surely, 2^1157442404 is an apocalyptic number.

It is an amenable number.

1157442404 is a deficient number, since it is larger than the sum of its proper divisors (868853896).

1157442404 is a wasteful number, since it uses less digits than its factorization.

1157442404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110302 (or 110300 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 1157442404 is about 34021.2052108681. The cubic root of 1157442404 is about 1049.9447904456.

Adding to 1157442404 its reverse (4042447511), we get a palindrome (5199889915).

The spelling of 1157442404 in words is "one billion, one hundred fifty-seven million, four hundred forty-two thousand, four hundred four".