156026005642 has 8 divisors (see below), whose sum is σ = 252042009156. Its totient is φ = 72012002592.

The previous prime is 156026005621. The next prime is 156026005679. The reversal of 156026005642 is 246500620651.

It can be written as a sum of positive squares in 2 ways, for example, as 108510289281 + 47515716361 = 329409^2 + 217981^2 .

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

It is a super-2 number, since 2×156026005642² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000500083 + ... + 3000500134.

Almost surely, 2^156026005642 is an apocalyptic number.

156026005642 is a deficient number, since it is larger than the sum of its proper divisors (96016003514).

156026005642 is a wasteful number, since it uses less digits than its factorization.

156026005642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001000232.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 156026005642 in words is "one hundred fifty-six billion, twenty-six million, five thousand, six hundred forty-two".