1144664362 has 4 divisors (see below), whose sum is σ = 1716996546. Its totient is φ = 572332180.

The previous prime is 1144664351. The next prime is 1144664377. The reversal of 1144664362 is 2634664411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2634664411 = 59 ⋅44655329.

It can be written as a sum of positive squares in only one way, i.e., 899460081 + 245204281 = 29991^2 + 15659^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286166089 + ... + 286166092.

Almost surely, 2^1144664362 is an apocalyptic number.

1144664362 is a deficient number, since it is larger than the sum of its proper divisors (572332184).

1144664362 is an equidigital number, since it uses as much as digits as its factorization.

1144664362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572332183.

The product of its digits is 82944, while the sum is 37.

The square root of 1144664362 is about 33832.8887622680. Note that the first 3 decimals coincide. The cubic root of 1144664362 is about 1046.0667241953.

It can be divided in two parts, 114466 and 4362, that added together give a triangular number (118828 = T₄₈₇).

The spelling of 1144664362 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, three hundred sixty-two".