1144974634 has 4 divisors (see below), whose sum is σ = 1717461954. Its totient is φ = 572487316.

The previous prime is 1144974629. The next prime is 1144974659. The reversal of 1144974634 is 4364794411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4364794411 = 7129 ⋅612259.

It can be written as a sum of positive squares in only one way, i.e., 760932225 + 384042409 = 27585^2 + 19597^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286243657 + ... + 286243660.

Almost surely, 2^1144974634 is an apocalyptic number.

1144974634 is a deficient number, since it is larger than the sum of its proper divisors (572487320).

1144974634 is an equidigital number, since it uses as much as digits as its factorization.

1144974634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572487319.

The product of its digits is 290304, while the sum is 43.

The square root of 1144974634 is about 33837.4738123282. The cubic root of 1144974634 is about 1046.1612310523.

The spelling of 1144974634 in words is "one billion, one hundred forty-four million, nine hundred seventy-four thousand, six hundred thirty-four".