1144938402 has 40 divisors (see below), whose sum is σ = 2607590172. Its totient is φ = 375386400.

The previous prime is 1144938371. The next prime is 1144938427. The reversal of 1144938402 is 2048394411.

It is a happy number.

1144938402 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 719795241 + 425143161 = 26829^2 + 20619^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48049 + ... + 67812.

Almost surely, 2^1144938402 is an apocalyptic number.

1144938402 is an abundant number, since it is smaller than the sum of its proper divisors (1462651770).

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

1144938402 is a wasteful number, since it uses less digits than its factorization.

1144938402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115936 (or 115927 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1144938402 is about 33836.9384253363. The cubic root of 1144938402 is about 1046.1501958985.

The spelling of 1144938402 in words is "one billion, one hundred forty-four million, nine hundred thirty-eight thousand, four hundred two".