149172950 has 12 divisors (see below), whose sum is σ = 277461780. Its totient is φ = 59669160.

The previous prime is 149172949. The next prime is 149172953. The reversal of 149172950 is 59271941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149172953) 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 in 5 ways as a sum of consecutive naturals, for example, 1491680 + ... + 1491779.

It is an arithmetic number, because the mean of its divisors is an integer number (23121815).

Almost surely, 2^149172950 is an apocalyptic number.

149172950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149172950 is a deficient number, since it is larger than the sum of its proper divisors (128288830).

149172950 is a wasteful number, since it uses less digits than its factorization.

149172950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983471 (or 2983466 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 149172950 is about 12213.6378692018. The cubic root of 149172950 is about 530.3509601420.

The spelling of 149172950 in words is "one hundred forty-nine million, one hundred seventy-two thousand, nine hundred fifty".