151564331 has 8 divisors (see below), whose sum is σ = 158566464. Its totient is φ = 144719680.

The previous prime is 151564327. The next prime is 151564373. The reversal of 151564331 is 133465151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151564331 - 2² = 151564327 is a prime.

It is a super-2 number, since 2×151564331² = 45943492862955122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151564294 and 151564303.

It is not an unprimeable number, because it can be changed into a prime (151564381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37400 + ... + 41253.

It is an arithmetic number, because the mean of its divisors is an integer number (19820808).

Almost surely, 2^151564331 is an apocalyptic number.

151564331 is a deficient number, since it is larger than the sum of its proper divisors (7002133).

151564331 is an equidigital number, since it uses as much as digits as its factorization.

151564331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78741.

The product of its digits is 5400, while the sum is 29.

The square root of 151564331 is about 12311.1466159737. The cubic root of 151564331 is about 533.1699559034.

The spelling of 151564331 in words is "one hundred fifty-one million, five hundred sixty-four thousand, three hundred thirty-one".