149869105 has 16 divisors (see below), whose sum is σ = 182246400. Its totient is φ = 118304640.

The previous prime is 149869099. The next prime is 149869133. The reversal of 149869105 is 501968941.

149869105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149869105 - 2²⁵ = 116314673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132181 + ... + 133309.

It is an arithmetic number, because the mean of its divisors is an integer number (11390400).

Almost surely, 2^149869105 is an apocalyptic number.

It is an amenable number.

149869105 is a deficient number, since it is larger than the sum of its proper divisors (32377295).

149869105 is a wasteful number, since it uses less digits than its factorization.

149869105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 149869105 is about 12242.1037816218. The cubic root of 149869105 is about 531.1746877322.

The spelling of 149869105 in words is "one hundred forty-nine million, eight hundred sixty-nine thousand, one hundred five".