156101642 has 8 divisors (see below), whose sum is σ = 238570596. Its totient is φ = 76578112.

The previous prime is 156101611. The next prime is 156101657. The reversal of 156101642 is 246101651.

It can be written as a sum of positive squares in 2 ways, for example, as 155475961 + 625681 = 12469^2 + 791^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 736223 + ... + 736434.

Almost surely, 2^156101642 is an apocalyptic number.

156101642 is a deficient number, since it is larger than the sum of its proper divisors (82468954).

156101642 is a wasteful number, since it uses less digits than its factorization.

156101642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472712.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 156101642 is about 12494.0642706847. The cubic root of 156101642 is about 538.4381504619.

Subtracting 156101642 from its reverse (246101651), we obtain a palindrome (90000009).

The spelling of 156101642 in words is "one hundred fifty-six million, one hundred one thousand, six hundred forty-two".