149249725 has 12 divisors (see below), whose sum is σ = 185585344. Its totient is φ = 119067120.

The previous prime is 149249719. The next prime is 149249743. The reversal of 149249725 is 527942941.

It is not a de Polignac number, because 149249725 - 2²¹ = 147152573 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1042 + ... + 17308.

Almost surely, 2^149249725 is an apocalyptic number.

It is an amenable number.

149249725 is a deficient number, since it is larger than the sum of its proper divisors (36335619).

149249725 is a wasteful number, since it uses less digits than its factorization.

149249725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16644 (or 16639 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 149249725 is about 12216.7804678647. The cubic root of 149249725 is about 530.4419299672.

It can be divided in two parts, 14924 and 9725, that added together give a square (24649 = 157²).

The spelling of 149249725 in words is "one hundred forty-nine million, two hundred forty-nine thousand, seven hundred twenty-five".