149647725 has 36 divisors (see below), whose sum is σ = 271460800. Its totient is φ = 78792480.

The previous prime is 149647711. The next prime is 149647727. The reversal of 149647725 is 527746941.

It is not a de Polignac number, because 149647725 - 2⁸ = 149647469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149647727) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13566 + ... + 21984.

Almost surely, 2^149647725 is an apocalyptic number.

149647725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149647725 is a deficient number, since it is larger than the sum of its proper divisors (121813075).

149647725 is a wasteful number, since it uses less digits than its factorization.

149647725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8514 (or 8506 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 149647725 is about 12233.0586935566. The cubic root of 149647725 is about 530.9130162774.

The spelling of 149647725 in words is "one hundred forty-nine million, six hundred forty-seven thousand, seven hundred twenty-five".