149091851950 has 24 divisors (see below), whose sum is σ = 280056506040. Its totient is φ = 59046276000.

The previous prime is 149091851927. The next prime is 149091851999. The reversal of 149091851950 is 59158190941.

It is a happy number.

149091851950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14756520 + ... + 14766619.

It is an arithmetic number, because the mean of its divisors is an integer number (11669021085).

Almost surely, 2^149091851950 is an apocalyptic number.

149091851950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149091851950 is a deficient number, since it is larger than the sum of its proper divisors (130964654090).

149091851950 is a wasteful number, since it uses less digits than its factorization.

149091851950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29523252 (or 29523247 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 52.

The spelling of 149091851950 in words is "one hundred forty-nine billion, ninety-one million, eight hundred fifty-one thousand, nine hundred fifty".