156142151 has 6 divisors (see below), whose sum is σ = 171627456. Its totient is φ = 141947300.

The previous prime is 156142141. The next prime is 156142153. The reversal of 156142151 is 151241651.

It is not a de Polignac number, because 156142151 - 2²² = 151947847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 156142151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156142153) 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 5 ways as a sum of consecutive naturals, for example, 645095 + ... + 645336.

It is an arithmetic number, because the mean of its divisors is an integer number (28604576).

Almost surely, 2^156142151 is an apocalyptic number.

156142151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

156142151 is a deficient number, since it is larger than the sum of its proper divisors (15485305).

156142151 is a wasteful number, since it uses less digits than its factorization.

156142151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290453 (or 1290442 counting only the distinct ones).

The product of its digits is 1200, while the sum is 26.

The square root of 156142151 is about 12495.6852953329. The cubic root of 156142151 is about 538.4847220510.

The spelling of 156142151 in words is "one hundred fifty-six million, one hundred forty-two thousand, one hundred fifty-one".