154077439041 has 24 divisors (see below), whose sum is σ = 224364398336. Its totient is φ = 101885817600.

The previous prime is 154077439037. The next prime is 154077439049. The reversal of 154077439041 is 140934770451.

It is a happy number.

154077439041 is a `hidden beast` number, since 1 + 540 + 7 + 74 + 39 + 0 + 4 + 1 = 666.

It is not a de Polignac number, because 154077439041 - 2² = 154077439037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154077439049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 830376 + ... + 998838.

Almost surely, 2^154077439041 is an apocalyptic number.

It is an amenable number.

154077439041 is a deficient number, since it is larger than the sum of its proper divisors (70286959295).

154077439041 is a wasteful number, since it uses less digits than its factorization.

154077439041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169293 (or 169290 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 154077439041 in words is "one hundred fifty-four billion, seventy-seven million, four hundred thirty-nine thousand, forty-one".