1157048145 has 48 divisors (see below), whose sum is σ = 2268931392. Its totient is φ = 560986560.

The previous prime is 1157048059. The next prime is 1157048147. The reversal of 1157048145 is 5418407511.

1157048145 is a `hidden beast` number, since 1 + 1 + 570 + 4 + 81 + 4 + 5 = 666.

It is not a de Polignac number, because 1157048145 - 2⁷ = 1157048017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1157048147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29922 + ... + 56651.

It is an arithmetic number, because the mean of its divisors is an integer number (47269404).

Almost surely, 2^1157048145 is an apocalyptic number.

1157048145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1157048145 is a deficient number, since it is larger than the sum of its proper divisors (1111883247).

1157048145 is an equidigital number, since it uses as much as digits as its factorization.

1157048145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86604 (or 86592 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 1157048145 is about 34015.4104046975. The cubic root of 1157048145 is about 1049.8255628590.

The spelling of 1157048145 in words is "one billion, one hundred fifty-seven million, forty-eight thousand, one hundred forty-five".