149309025 has 12 divisors (see below), whose sum is σ = 246857712. Its totient is φ = 79631440.

The previous prime is 149309021. The next prime is 149309053. The reversal of 149309025 is 520903941.

It is not a de Polignac number, because 149309025 - 2² = 149309021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149309021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 995319 + ... + 995468.

It is an arithmetic number, because the mean of its divisors is an integer number (20571476).

Almost surely, 2^149309025 is an apocalyptic number.

149309025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149309025 is a deficient number, since it is larger than the sum of its proper divisors (97548687).

149309025 is a wasteful number, since it uses less digits than its factorization.

149309025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990800 (or 1990795 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 149309025 is about 12219.2072165096. The cubic root of 149309025 is about 530.5121725119.

It can be divided in two parts, 14 and 9309025, that added together give a palindrome (9309039).

The spelling of 149309025 in words is "one hundred forty-nine million, three hundred nine thousand, twenty-five".