149758905845 has 16 divisors (see below), whose sum is σ = 180020610432. Its totient is φ = 119600648640.

The previous prime is 149758905839. The next prime is 149758905847. The reversal of 149758905845 is 548509857941.

It is not a de Polignac number, because 149758905845 - 2²⁶ = 149691796981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149758905847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10780274 + ... + 10794156.

It is an arithmetic number, because the mean of its divisors is an integer number (11251288152).

Almost surely, 2^149758905845 is an apocalyptic number.

It is an amenable number.

149758905845 is a deficient number, since it is larger than the sum of its proper divisors (30261704587).

149758905845 is a wasteful number, since it uses less digits than its factorization.

149758905845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17452.

The product of its (nonzero) digits is 72576000, while the sum is 65.

The spelling of 149758905845 in words is "one hundred forty-nine billion, seven hundred fifty-eight million, nine hundred five thousand, eight hundred forty-five".