157146272639 has 4 divisors (see below), whose sum is σ = 157373691960. Its totient is φ = 156918853320.

The previous prime is 157146272599. The next prime is 157146272653. The reversal of 157146272639 is 936272641751.

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 157146272639 - 2¹⁶ = 157146207103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157146272039) 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, 113708624 + ... + 113710005.

It is an arithmetic number, because the mean of its divisors is an integer number (39343422990).

Almost surely, 2^157146272639 is an apocalyptic number.

157146272639 is a deficient number, since it is larger than the sum of its proper divisors (227419321).

157146272639 is an equidigital number, since it uses as much as digits as its factorization.

157146272639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227419320.

The product of its digits is 3810240, while the sum is 53.

The spelling of 157146272639 in words is "one hundred fifty-seven billion, one hundred forty-six million, two hundred seventy-two thousand, six hundred thirty-nine".