149358172 has 6 divisors (see below), whose sum is σ = 261376808. Its totient is φ = 74679084.

The previous prime is 149358161. The next prime is 149358173. The reversal of 149358172 is 271853941.

It is a super-3 number, since 3×149358172³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149358173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18669768 + ... + 18669775.

Almost surely, 2^149358172 is an apocalyptic number.

It is an amenable number.

149358172 is a deficient number, since it is larger than the sum of its proper divisors (112018636).

149358172 is a wasteful number, since it uses less digits than its factorization.

149358172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37339547 (or 37339545 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 149358172 is about 12221.2181062282. The cubic root of 149358172 is about 530.5703744446.

The spelling of 149358172 in words is "one hundred forty-nine million, three hundred fifty-eight thousand, one hundred seventy-two".