1146928256 has 32 divisors (see below), whose sum is σ = 2419306380. Its totient is φ = 539729920.

The previous prime is 1146928253. The next prime is 1146928259. The reversal of 1146928256 is 6528296411.

It is an interprime number because it is at equal distance from previous prime (1146928253) and next prime (1146928259).

It can be written as a sum of positive squares in 2 ways, for example, as 1141358656 + 5569600 = 33784^2 + 2360^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1146928256² = 2630888848822403072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1146928253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261365 + ... + 265716.

Almost surely, 2^1146928256 is an apocalyptic number.

1146928256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1146928256 is an abundant number, since it is smaller than the sum of its proper divisors (1272378124).

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

1146928256 is an equidigital number, since it uses as much as digits as its factorization.

1146928256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527112 (or 527100 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 1146928256 is about 33866.3292371642. The cubic root of 1146928256 is about 1046.7558999116.

The spelling of 1146928256 in words is "one billion, one hundred forty-six million, nine hundred twenty-eight thousand, two hundred fifty-six".