149531950 has 12 divisors (see below), whose sum is σ = 278129520. Its totient is φ = 59812760.

The previous prime is 149531939. The next prime is 149531951. The reversal of 149531950 is 59135941.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149531951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1495270 + ... + 1495369.

It is an arithmetic number, because the mean of its divisors is an integer number (23177460).

Almost surely, 2^149531950 is an apocalyptic number.

149531950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149531950 is a deficient number, since it is larger than the sum of its proper divisors (128597570).

149531950 is a wasteful number, since it uses less digits than its factorization.

149531950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990651 (or 2990646 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 149531950 is about 12228.3257234995. The cubic root of 149531950 is about 530.7760672917.

The spelling of 149531950 in words is "one hundred forty-nine million, five hundred thirty-one thousand, nine hundred fifty".