154942735683 has 4 divisors (see below), whose sum is σ = 206590314248. Its totient is φ = 103295157120.

The previous prime is 154942735613. The next prime is 154942735687. The reversal of 154942735683 is 386537249451.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 154942735683 - 2²² = 154938541379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154942735687) 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, 25823789278 + ... + 25823789283.

It is an arithmetic number, because the mean of its divisors is an integer number (51647578562).

Almost surely, 2^154942735683 is an apocalyptic number.

154942735683 is a deficient number, since it is larger than the sum of its proper divisors (51647578565).

154942735683 is an equidigital number, since it uses as much as digits as its factorization.

154942735683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51647578564.

The product of its digits is 21772800, while the sum is 57.

The spelling of 154942735683 in words is "one hundred fifty-four billion, nine hundred forty-two million, seven hundred thirty-five thousand, six hundred eighty-three".