151156171 has 4 divisors (see below), whose sum is σ = 153718200. Its totient is φ = 148594144.

The previous prime is 151156157. The next prime is 151156199. The reversal of 151156171 is 171651151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151156171 - 2⁵ = 151156139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151156121) 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 3 ways as a sum of consecutive naturals, for example, 1280926 + ... + 1281043.

It is an arithmetic number, because the mean of its divisors is an integer number (38429550).

Almost surely, 2^151156171 is an apocalyptic number.

151156171 is a deficient number, since it is larger than the sum of its proper divisors (2562029).

151156171 is an equidigital number, since it uses as much as digits as its factorization.

151156171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562028.

The product of its digits is 1050, while the sum is 28.

The square root of 151156171 is about 12294.5585931338. The cubic root of 151156171 is about 532.6909199538.

The spelling of 151156171 in words is "one hundred fifty-one million, one hundred fifty-six thousand, one hundred seventy-one".