156638483 has 4 divisors (see below), whose sum is σ = 162039840. Its totient is φ = 151237128.

The previous prime is 156638473. The next prime is 156638497. The reversal of 156638483 is 384836651.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 384836651 = 139 ⋅2768609.

It is a cyclic number.

It is not a de Polignac number, because 156638483 - 2²² = 152444179 is a prime.

It is a super-2 number, since 2×156638483² = 49071228713082578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156638473) 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 3 ways as a sum of consecutive naturals, for example, 2700635 + ... + 2700692.

It is an arithmetic number, because the mean of its divisors is an integer number (40509960).

Almost surely, 2^156638483 is an apocalyptic number.

156638483 is a deficient number, since it is larger than the sum of its proper divisors (5401357).

156638483 is an equidigital number, since it uses as much as digits as its factorization.

156638483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5401356.

The product of its digits is 414720, while the sum is 44.

The square root of 156638483 is about 12515.5296731700. The cubic root of 156638483 is about 539.0546824093.

The spelling of 156638483 in words is "one hundred fifty-six million, six hundred thirty-eight thousand, four hundred eighty-three".