154426734387 has 8 divisors (see below), whose sum is σ = 228780347280. Its totient is φ = 102951156240.

The previous prime is 154426734347. The next prime is 154426734419. The reversal of 154426734387 is 783437624451.

154426734387 is a `hidden beast` number, since 1 + 544 + 2 + 67 + 3 + 4 + 38 + 7 = 666.

It is not a de Polignac number, because 154426734387 - 2²³ = 154418345779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154426734307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2859754314 + ... + 2859754367.

It is an arithmetic number, because the mean of its divisors is an integer number (28597543410).

Almost surely, 2^154426734387 is an apocalyptic number.

154426734387 is a deficient number, since it is larger than the sum of its proper divisors (74353612893).

154426734387 is an equidigital number, since it uses as much as digits as its factorization.

154426734387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5719508690 (or 5719508684 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 54.

The spelling of 154426734387 in words is "one hundred fifty-four billion, four hundred twenty-six million, seven hundred thirty-four thousand, three hundred eighty-seven".