149573192 has 8 divisors (see below), whose sum is σ = 280449750. Its totient is φ = 74786592.

The previous prime is 149573189. The next prime is 149573197. The reversal of 149573192 is 291375941.

It can be written as a sum of positive squares in only one way, i.e., 148986436 + 586756 = 12206^2 + 766^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (149573197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9348317 + ... + 9348332.

Almost surely, 2^149573192 is an apocalyptic number.

It is an amenable number.

149573192 is a deficient number, since it is larger than the sum of its proper divisors (130876558).

149573192 is a wasteful number, since it uses less digits than its factorization.

149573192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18696655 (or 18696651 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 149573192 is about 12230.0119378519. The cubic root of 149573192 is about 530.8248601068.

The spelling of 149573192 in words is "one hundred forty-nine million, five hundred seventy-three thousand, one hundred ninety-two".