149706225 has 72 divisors (see below), whose sum is σ = 292932640. Its totient is φ = 75582720.

The previous prime is 149706217. The next prime is 149706229. The reversal of 149706225 is 522607941.

It is not a de Polignac number, because 149706225 - 2³ = 149706217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149706225.

It is not an unprimeable number, because it can be changed into a prime (149706229) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 114777 + ... + 116073.

Almost surely, 2^149706225 is an apocalyptic number.

149706225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149706225 is a deficient number, since it is larger than the sum of its proper divisors (143226415).

149706225 is a wasteful number, since it uses less digits than its factorization.

149706225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 149706225 is about 12235.4495217789. The cubic root of 149706225 is about 530.9821884287.

The spelling of 149706225 in words is "one hundred forty-nine million, seven hundred six thousand, two hundred twenty-five".