1144667674 has 4 divisors (see below), whose sum is σ = 1717001514. Its totient is φ = 572333836.

The previous prime is 1144667639. The next prime is 1144667683. The reversal of 1144667674 is 4767664411.

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., 1140075225 + 4592449 = 33765^2 + 2143^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286166917 + ... + 286166920.

Almost surely, 2^1144667674 is an apocalyptic number.

1144667674 is a deficient number, since it is larger than the sum of its proper divisors (572333840).

1144667674 is an equidigital number, since it uses as much as digits as its factorization.

1144667674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572333839.

The product of its digits is 677376, while the sum is 46.

The square root of 1144667674 is about 33832.9377086886. The cubic root of 1144667674 is about 1046.0677330994.

It can be divided in two parts, 1144667 and 674, that added together give a triangular number (1145341 = T₁₅₁₃).

The spelling of 1144667674 in words is "one billion, one hundred forty-four million, six hundred sixty-seven thousand, six hundred seventy-four".