1574839442 has 18 divisors (see below), whose sum is σ = 2597551047. Its totient is φ = 715555500.

The previous prime is 1574839433. The next prime is 1574839451. The reversal of 1574839442 is 2449384751.

It is an interprime number because it is at equal distance from previous prime (1574839433) and next prime (1574839451).

It can be written as a sum of positive squares in only one way, i.e., 787419721 + 787419721 = 28061^2 + 28061^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=28061.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 616067 + ... + 618617.

Almost surely, 2^1574839442 is an apocalyptic number.

1574839442 is a deficient number, since it is larger than the sum of its proper divisors (1022711605).

1574839442 is an frugal number, since it uses more digits than its factorization.

1574839442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126 (or 2564 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 1574839442 is about 39684.2467737514. The cubic root of 1574839442 is about 1163.4438486007.

The spelling of 1574839442 in words is "one billion, five hundred seventy-four million, eight hundred thirty-nine thousand, four hundred forty-two".