1056456156 has 48 divisors (see below), whose sum is σ = 2837515520. Its totient is φ = 299669760.

The previous prime is 1056456151. The next prime is 1056456157. The reversal of 1056456156 is 6516546501.

It is a super-3 number, since 3×1056456156³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056456151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33565 + ... + 56916.

Almost surely, 2^1056456156 is an apocalyptic number.

It is an amenable number.

1056456156 is an abundant number, since it is smaller than the sum of its proper divisors (1781059364).

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

1056456156 is a wasteful number, since it uses less digits than its factorization.

1056456156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90634 (or 90632 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 1056456156 is about 32503.1714760268. The cubic root of 1056456156 is about 1018.4752805814.

The spelling of 1056456156 in words is "one billion, fifty-six million, four hundred fifty-six thousand, one hundred fifty-six".