1158045444 has 48 divisors (see below), whose sum is σ = 3005598400. Its totient is φ = 385596288.

The previous prime is 1158045419. The next prime is 1158045541. The reversal of 1158045444 is 4445408511.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1158045399 and 1158045408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103659 + ... + 114285.

Almost surely, 2^1158045444 is an apocalyptic number.

It is an amenable number.

1158045444 is an abundant number, since it is smaller than the sum of its proper divisors (1847552956).

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

1158045444 is a wasteful number, since it uses less digits than its factorization.

1158045444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11649 (or 11641 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 1158045444 is about 34030.0667645540. The cubic root of 1158045444 is about 1050.1271029809.

The spelling of 1158045444 in words is "one billion, one hundred fifty-eight million, forty-five thousand, four hundred forty-four".