1372775144 has 32 divisors (see below), whose sum is σ = 2790585000. Its totient is φ = 629329152.

The previous prime is 1372775141. The next prime is 1372775149. The reversal of 1372775144 is 4415772731.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 882684100 + 490091044 = 29710^2 + 22138^2 .

It is not an unprimeable number, because it can be changed into a prime (1372775141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28799 + ... + 59790.

Almost surely, 2^1372775144 is an apocalyptic number.

It is an amenable number.

1372775144 is an abundant number, since it is smaller than the sum of its proper divisors (1417809856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1372775144 is a wasteful number, since it uses less digits than its factorization.

1372775144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88757 (or 88753 counting only the distinct ones).

The product of its digits is 164640, while the sum is 41.

The square root of 1372775144 is about 37050.9803379074. The cubic root of 1372775144 is about 1111.3899596340.

The spelling of 1372775144 in words is "one billion, three hundred seventy-two million, seven hundred seventy-five thousand, one hundred forty-four".