149394573 has 24 divisors (see below), whose sum is σ = 226320120. Its totient is φ = 94832640.

The previous prime is 149394563. The next prime is 149394601. The reversal of 149394573 is 375493941.

149394573 is a `hidden beast` number, since 1 + 49 + 39 + 4 + 573 = 666.

149394573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18818244 + 130576329 = 4338^2 + 11427^2 .

It is not a de Polignac number, because 149394573 - 2⁹ = 149394061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149394563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15133 + ... + 22973.

It is an arithmetic number, because the mean of its divisors is an integer number (9430005).

Almost surely, 2^149394573 is an apocalyptic number.

It is an amenable number.

149394573 is a deficient number, since it is larger than the sum of its proper divisors (76925547).

149394573 is a wasteful number, since it uses less digits than its factorization.

149394573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7949 (or 7946 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 149394573 is about 12222.7072696682. The cubic root of 149394573 is about 530.6134738014.

The spelling of 149394573 in words is "one hundred forty-nine million, three hundred ninety-four thousand, five hundred seventy-three".