15574231042 has 16 divisors (see below), whose sum is σ = 23435088480. Its totient is φ = 7762573728.

The previous prime is 15574231039. The next prime is 15574231069. The reversal of 15574231042 is 24013247551.

It is a super-4 number, since 4×15574231042⁴ (a number of 42 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15574230989 and 15574231007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851934 + ... + 870022.

It is an arithmetic number, because the mean of its divisors is an integer number (1464693030).

Almost surely, 2^15574231042 is an apocalyptic number.

15574231042 is a deficient number, since it is larger than the sum of its proper divisors (7860857438).

15574231042 is a wasteful number, since it uses less digits than its factorization.

15574231042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19425.

The product of its (nonzero) digits is 33600, while the sum is 34.

Adding to 15574231042 its reverse (24013247551), we get a palindrome (39587478593).

The spelling of 15574231042 in words is "fifteen billion, five hundred seventy-four million, two hundred thirty-one thousand, forty-two".