1150045720 has 32 divisors (see below), whose sum is σ = 2593483920. Its totient is φ = 458972800.

The previous prime is 1150045709. The next prime is 1150045727. The reversal of 1150045720 is 275400511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150045727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14731 + ... + 50170.

Almost surely, 2^1150045720 is an apocalyptic number.

1150045720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150045720 is an abundant number, since it is smaller than the sum of its proper divisors (1443438200).

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

1150045720 is a wasteful number, since it uses less digits than its factorization.

1150045720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65355 (or 65351 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 1150045720 is about 33912.3240135500. The cubic root of 1150045720 is about 1047.7034371518.

The spelling of 1150045720 in words is "one billion, one hundred fifty million, forty-five thousand, seven hundred twenty".