1147557148 has 6 divisors (see below), whose sum is σ = 2008225016. Its totient is φ = 573778572.

The previous prime is 1147557143. The next prime is 1147557179. The reversal of 1147557148 is 8417557411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147557143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143444640 + ... + 143444647.

Almost surely, 2^1147557148 is an apocalyptic number.

It is an amenable number.

1147557148 is a deficient number, since it is larger than the sum of its proper divisors (860667868).

1147557148 is a wasteful number, since it uses less digits than its factorization.

1147557148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286889291 (or 286889289 counting only the distinct ones).

The product of its digits is 156800, while the sum is 43.

The square root of 1147557148 is about 33875.6128800646. The cubic root of 1147557148 is about 1046.9471865429.

The spelling of 1147557148 in words is "one billion, one hundred forty-seven million, five hundred fifty-seven thousand, one hundred forty-eight".