1156146256 has 10 divisors (see below), whose sum is σ = 2240033402. Its totient is φ = 578073120.

The previous prime is 1156146247. The next prime is 1156146269. The reversal of 1156146256 is 6526416511.

It can be written as a sum of positive squares in only one way, i.e., 1041998400 + 114147856 = 32280^2 + 10684^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36129555 + ... + 36129586.

Almost surely, 2^1156146256 is an apocalyptic number.

1156146256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1156146256 is a deficient number, since it is larger than the sum of its proper divisors (1083887146).

1156146256 is an equidigital number, since it uses as much as digits as its factorization.

1156146256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72259149 (or 72259143 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 1156146256 is about 34002.1507555037. The cubic root of 1156146256 is about 1049.5527213624.

The spelling of 1156146256 in words is "one billion, one hundred fifty-six million, one hundred forty-six thousand, two hundred fifty-six".