151556361 has 16 divisors (see below), whose sum is σ = 230031360. Its totient is φ = 87858320.

The previous prime is 151556357. The next prime is 151556371. The reversal of 151556361 is 163655151.

151556361 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 151556361 - 2² = 151556357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (151556311) 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, 99081 + ... + 100598.

It is an arithmetic number, because the mean of its divisors is an integer number (14376960).

Almost surely, 2^151556361 is an apocalyptic number.

151556361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

151556361 is a deficient number, since it is larger than the sum of its proper divisors (78474999).

151556361 is a wasteful number, since it uses less digits than its factorization.

151556361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199716.

The product of its digits is 13500, while the sum is 33.

The square root of 151556361 is about 12310.8229213160. The cubic root of 151556361 is about 533.1606101710.

The spelling of 151556361 in words is "one hundred fifty-one million, five hundred fifty-six thousand, three hundred sixty-one".