1145730544 has 30 divisors (see below), whose sum is σ = 2582279664. Its totient is φ = 491027040.

The previous prime is 1145730511. The next prime is 1145730559. The reversal of 1145730544 is 4450375411.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 729912 + ... + 731479.

Almost surely, 2^1145730544 is an apocalyptic number.

1145730544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1145730544 is an abundant number, since it is smaller than the sum of its proper divisors (1436549120).

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

1145730544 is a wasteful number, since it uses less digits than its factorization.

1145730544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461413 (or 1461400 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 1145730544 is about 33848.6416861888. The cubic root of 1145730544 is about 1046.3914049349.

The spelling of 1145730544 in words is "one billion, one hundred forty-five million, seven hundred thirty thousand, five hundred forty-four".