149525005 has 16 divisors (see below), whose sum is σ = 206204544. Its totient is φ = 101960640.

The previous prime is 149524993. The next prime is 149525009. The reversal of 149525005 is 500525941.

It is a de Polignac number, because none of the positive numbers 2^k-149525005 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149525009) 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, 5467 + ... + 18136.

It is an arithmetic number, because the mean of its divisors is an integer number (12887784).

Almost surely, 2^149525005 is an apocalyptic number.

It is an amenable number.

149525005 is a deficient number, since it is larger than the sum of its proper divisors (56679539).

149525005 is a wasteful number, since it uses less digits than its factorization.

149525005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23796.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 149525005 is about 12228.0417483749. The cubic root of 149525005 is about 530.7678498798.

The spelling of 149525005 in words is "one hundred forty-nine million, five hundred twenty-five thousand, five".