154869100521982 has 16 divisors (see below), whose sum is σ = 289625330846592. Its totient is φ = 60338610592920.

The previous prime is 154869100521907. The next prime is 154869100521991. The reversal of 154869100521982 is 289125001968451.

It is a self number, because there is not a number n which added to its sum of digits gives 154869100521982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502821754788 + ... + 502821755095.

It is an arithmetic number, because the mean of its divisors is an integer number (18101583177912).

Almost surely, 2^{154869100521982} is an apocalyptic number.

154869100521982 is a deficient number, since it is larger than the sum of its proper divisors (134756230324610).

154869100521982 is a wasteful number, since it uses less digits than its factorization.

154869100521982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005643509903.

The product of its (nonzero) digits is 12441600, while the sum is 61.

The spelling of 154869100521982 in words is "one hundred fifty-four trillion, eight hundred sixty-nine billion, one hundred million, five hundred twenty-one thousand, nine hundred eighty-two".