154200356431506 has 128 divisors (see below), whose sum is σ = 428320027699200. Its totient is φ = 39949078668480.

The previous prime is 154200356431481. The next prime is 154200356431567. The reversal of 154200356431506 is 605134653002451.

It is a happy number.

154200356431506 is a `hidden beast` number, since 1 + 5 + 4 + 2 + 0 + 0 + 3 + 564 + 31 + 50 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46049920 + ... + 49284843.

It is an arithmetic number, because the mean of its divisors is an integer number (3346250216400).

Almost surely, 2^{154200356431506} is an apocalyptic number.

154200356431506 is an abundant number, since it is smaller than the sum of its proper divisors (274119671267694).

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

154200356431506 is a wasteful number, since it uses less digits than its factorization.

154200356431506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95335181 (or 95335175 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 154200356431506 in words is "one hundred fifty-four trillion, two hundred billion, three hundred fifty-six million, four hundred thirty-one thousand, five hundred six".