149911950 has 48 divisors (see below), whose sum is σ = 393657840. Its totient is φ = 37624320.

The previous prime is 149911891. The next prime is 149911969. The reversal of 149911950 is 59119941.

It is a junction number, because it is equal to n+sod(n) for n = 149911899 and 149911908.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 26845 + ... + 31944.

It is an arithmetic number, because the mean of its divisors is an integer number (8201205).

Almost surely, 2^149911950 is an apocalyptic number.

149911950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149911950 is an abundant number, since it is smaller than the sum of its proper divisors (243745890).

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

149911950 is a wasteful number, since it uses less digits than its factorization.

149911950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58821 (or 58816 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 39.

The square root of 149911950 is about 12243.8535600521. The cubic root of 149911950 is about 531.2253008125.

The spelling of 149911950 in words is "one hundred forty-nine million, nine hundred eleven thousand, nine hundred fifty".