149813111 has 32 divisors (see below), whose sum is σ = 185843712. Its totient is φ = 118039680.

The previous prime is 149813089. The next prime is 149813117. The reversal of 149813111 is 111318941.

It is a cyclic number.

It is not a de Polignac number, because 149813111 - 2¹⁸ = 149550967 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 (149813117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377165 + ... + 377561.

It is an arithmetic number, because the mean of its divisors is an integer number (5807616).

Almost surely, 2^149813111 is an apocalyptic number.

149813111 is a deficient number, since it is larger than the sum of its proper divisors (36030601).

149813111 is a wasteful number, since it uses less digits than its factorization.

149813111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519.

The product of its digits is 864, while the sum is 29.

The square root of 149813111 is about 12239.8166244434. The cubic root of 149813111 is about 531.1085271085.

The spelling of 149813111 in words is "one hundred forty-nine million, eight hundred thirteen thousand, one hundred eleven".