149447426885 has 16 divisors (see below), whose sum is σ = 180569088000. Its totient is φ = 118736746176.

The previous prime is 149447426873. The next prime is 149447426917. The reversal of 149447426885 is 588624744941.

It is a cyclic number.

It is not a de Polignac number, because 149447426885 - 2¹⁴ = 149447410501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6475196 + ... + 6498234.

It is an arithmetic number, because the mean of its divisors is an integer number (11285568000).

Almost surely, 2^149447426885 is an apocalyptic number.

It is an amenable number.

149447426885 is a deficient number, since it is larger than the sum of its proper divisors (31121661115).

149447426885 is a wasteful number, since it uses less digits than its factorization.

149447426885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31900.

The product of its digits is 61931520, while the sum is 62.

The spelling of 149447426885 in words is "one hundred forty-nine billion, four hundred forty-seven million, four hundred twenty-six thousand, eight hundred eighty-five".