149617950 has 24 divisors (see below), whose sum is σ = 371052888. Its totient is φ = 39898080.

The previous prime is 149617939. The next prime is 149617957. The reversal of 149617950 is 59716941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149617957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498577 + ... + 498876.

It is an arithmetic number, because the mean of its divisors is an integer number (15460537).

Almost surely, 2^149617950 is an apocalyptic number.

149617950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149617950 is an abundant number, since it is smaller than the sum of its proper divisors (221434938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149617950 is a wasteful number, since it uses less digits than its factorization.

149617950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997468 (or 997463 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 149617950 is about 12231.8416438409. The cubic root of 149617950 is about 530.8778025032.

The spelling of 149617950 in words is "one hundred forty-nine million, six hundred seventeen thousand, nine hundred fifty".