149525871 has 16 divisors (see below), whose sum is σ = 219295488. Its totient is φ = 90619320.

The previous prime is 149525867. The next prime is 149525933. The reversal of 149525871 is 178525941.

It is not a de Polignac number, because 149525871 - 2² = 149525867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149525851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14731 + ... + 22716.

It is an arithmetic number, because the mean of its divisors is an integer number (13705968).

Almost surely, 2^149525871 is an apocalyptic number.

149525871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

149525871 is a deficient number, since it is larger than the sum of its proper divisors (69769617).

149525871 is an equidigital number, since it uses as much as digits as its factorization.

149525871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37483 (or 37461 counting only the distinct ones).

The product of its digits is 100800, while the sum is 42.

The square root of 149525871 is about 12228.0771587360. The cubic root of 149525871 is about 530.7688745558.

The spelling of 149525871 in words is "one hundred forty-nine million, five hundred twenty-five thousand, eight hundred seventy-one".