156142241651 has 4 divisors (see below), whose sum is σ = 170336990904. Its totient is φ = 141947492400.

The previous prime is 156142241617. The next prime is 156142241653.

156142241651 is nontrivially palindromic in base 10.

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 156142241651 - 2⁶ = 156142241587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156142241653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7097374610 + ... + 7097374631.

It is an arithmetic number, because the mean of its divisors is an integer number (42584247726).

Almost surely, 2^156142241651 is an apocalyptic number.

156142241651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

156142241651 is a deficient number, since it is larger than the sum of its proper divisors (14194749253).

156142241651 is a wasteful number, since it uses less digits than its factorization.

156142241651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14194749252.

The product of its digits is 57600, while the sum is 38.

It can be divided in two parts, 156142 and 241651, that added together give a palindrome (397793).

The spelling of 156142241651 in words is "one hundred fifty-six billion, one hundred forty-two million, two hundred forty-one thousand, six hundred fifty-one".