149835025 has 24 divisors (see below), whose sum is σ = 203524920. Its totient is φ = 108917760.

The previous prime is 149835019. The next prime is 149835029. The reversal of 149835025 is 520538941.

It can be written as a sum of positive squares in 12 ways, for example, as 56055169 + 93779856 = 7487^2 + 9684^2 .

It is not a de Polignac number, because 149835025 - 2³ = 149835017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149835029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6247 + ... + 18403.

It is an arithmetic number, because the mean of its divisors is an integer number (8480205).

Almost surely, 2^149835025 is an apocalyptic number.

It is an amenable number.

149835025 is a deficient number, since it is larger than the sum of its proper divisors (53689895).

149835025 is a wasteful number, since it uses less digits than its factorization.

149835025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12213 (or 12208 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 149835025 is about 12240.7117848596. The cubic root of 149835025 is about 531.1344219156.

The spelling of 149835025 in words is "one hundred forty-nine million, eight hundred thirty-five thousand, twenty-five".