154156742622 has 20 divisors (see below), whose sum is σ = 345425294016. Its totient is φ = 51385580820.

The previous prime is 154156742609. The next prime is 154156742629. The reversal of 154156742622 is 226247651451.

154156742622 is a `hidden beast` number, since 1 + 5 + 4 + 15 + 6 + 7 + 4 + 2 + 622 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154156742629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 475792254 + ... + 475792577.

Almost surely, 2^154156742622 is an apocalyptic number.

154156742622 is an abundant number, since it is smaller than the sum of its proper divisors (191268551394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154156742622 is an equidigital number, since it uses as much as digits as its factorization.

154156742622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951584845 (or 951584836 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 154156742622 in words is "one hundred fifty-four billion, one hundred fifty-six million, seven hundred forty-two thousand, six hundred twenty-two".