154017912642 has 32 divisors (see below), whose sum is σ = 336275435520. Its totient is φ = 46639267920.

The previous prime is 154017912611. The next prime is 154017912647. The reversal of 154017912642 is 246219710451.

It is a junction number, because it is equal to n+sod(n) for n = 154017912594 and 154017912603.

It is not an unprimeable number, because it can be changed into a prime (154017912647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726042 + ... + 913877.

It is an arithmetic number, because the mean of its divisors is an integer number (10508607360).

Almost surely, 2^154017912642 is an apocalyptic number.

154017912642 is an abundant number, since it is smaller than the sum of its proper divisors (182257522878).

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

154017912642 is a wasteful number, since it uses less digits than its factorization.

154017912642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641358.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 154017912642 in words is "one hundred fifty-four billion, seventeen million, nine hundred twelve thousand, six hundred forty-two".