149905425 has 12 divisors (see below), whose sum is σ = 247843760. Its totient is φ = 79949520.

The previous prime is 149905409. The next prime is 149905433. The reversal of 149905425 is 524509941.

It is not a de Polignac number, because 149905425 - 2⁴ = 149905409 is a prime.

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, 999295 + ... + 999444.

Almost surely, 2^149905425 is an apocalyptic number.

149905425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149905425 is a deficient number, since it is larger than the sum of its proper divisors (97938335).

149905425 is a wasteful number, since it uses less digits than its factorization.

149905425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998752 (or 1998747 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 149905425 is about 12243.5870969255. The cubic root of 149905425 is about 531.2175934096.

The spelling of 149905425 in words is "one hundred forty-nine million, nine hundred five thousand, four hundred twenty-five".