151188401 has 32 divisors (see below), whose sum is σ = 193767168. Its totient is φ = 114773760.

The previous prime is 151188391. The next prime is 151188403. The reversal of 151188401 is 104881151.

It is a cyclic number.

It is not a de Polignac number, because 151188401 - 2⁶ = 151188337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151188403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279191 + ... + 279731.

It is an arithmetic number, because the mean of its divisors is an integer number (6055224).

Almost surely, 2^151188401 is an apocalyptic number.

It is an amenable number.

151188401 is a deficient number, since it is larger than the sum of its proper divisors (42578767).

151188401 is a wasteful number, since it uses less digits than its factorization.

151188401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681.

The product of its (nonzero) digits is 1280, while the sum is 29.

The square root of 151188401 is about 12295.8692657331. The cubic root of 151188401 is about 532.7287779478.

The spelling of 151188401 in words is "one hundred fifty-one million, one hundred eighty-eight thousand, four hundred one".