149287525 has 12 divisors (see below), whose sum is σ = 185343172. Its totient is φ = 119283840.

The previous prime is 149287517. The next prime is 149287543. The reversal of 149287525 is 525782941.

It can be written as a sum of positive squares in 6 ways, for example, as 8485569 + 140801956 = 2913^2 + 11866^2 .

It is not a de Polignac number, because 149287525 - 2³ = 149287517 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20239 + ... + 26611.

Almost surely, 2^149287525 is an apocalyptic number.

It is an amenable number.

149287525 is a deficient number, since it is larger than the sum of its proper divisors (36055647).

149287525 is an equidigital number, since it uses as much as digits as its factorization.

149287525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320 (or 7315 counting only the distinct ones).

The product of its digits is 201600, while the sum is 43.

The square root of 149287525 is about 12218.3274223602. The cubic root of 149287525 is about 530.4867072970.

The spelling of 149287525 in words is "one hundred forty-nine million, two hundred eighty-seven thousand, five hundred twenty-five".