149093973 has 32 divisors (see below), whose sum is σ = 260587520. Its totient is φ = 82445040.

The previous prime is 149093939. The next prime is 149093983. The reversal of 149093973 is 379390941.

149093973 is a `hidden beast` number, since 1 + 490 + 93 + 9 + 73 = 666.

It is not a de Polignac number, because 149093973 - 2⁶ = 149093909 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 (149093983) 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, 6865 + ... + 18582.

It is an arithmetic number, because the mean of its divisors is an integer number (8143360).

Almost surely, 2^149093973 is an apocalyptic number.

It is an amenable number.

149093973 is a deficient number, since it is larger than the sum of its proper divisors (111493547).

149093973 is a wasteful number, since it uses less digits than its factorization.

149093973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25494 (or 25488 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 149093973 is about 12210.4042930609. The cubic root of 149093973 is about 530.2573486175.

The spelling of 149093973 in words is "one hundred forty-nine million, ninety-three thousand, nine hundred seventy-three".