1456156331 has 16 divisors (see below), whose sum is σ = 1693146048. Its totient is φ = 1226534400.

The previous prime is 1456156319. The next prime is 1456156379. The reversal of 1456156331 is 1336516541.

It is a de Polignac number, because none of the positive numbers 2^k-1456156331 is a prime.

It is a super-2 number, since 2×1456156331² = 4240782520622763122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1456156291 and 1456156300.

It is not an unprimeable number, because it can be changed into a prime (1456156391) 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, 138521 + ... + 148661.

It is an arithmetic number, because the mean of its divisors is an integer number (105821628).

Almost surely, 2^1456156331 is an apocalyptic number.

1456156331 is a deficient number, since it is larger than the sum of its proper divisors (236989717).

1456156331 is a wasteful number, since it uses less digits than its factorization.

1456156331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10502.

The product of its digits is 32400, while the sum is 35.

The square root of 1456156331 is about 38159.6164944041. The cubic root of 1456156331 is about 1133.4507849922.

The spelling of 1456156331 in words is "one billion, four hundred fifty-six million, one hundred fifty-six thousand, three hundred thirty-one".