149022725 has 6 divisors (see below), whose sum is σ = 184788210. Its totient is φ = 119218160.

The previous prime is 149022721. The next prime is 149022737. The reversal of 149022725 is 527220941.

It can be written as a sum of positive squares in 3 ways, for example, as 43467649 + 105555076 = 6593^2 + 10274^2 .

It is not a de Polignac number, because 149022725 - 2² = 149022721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149022691 and 149022700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149022721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2980430 + ... + 2980479.

It is an arithmetic number, because the mean of its divisors is an integer number (30798035).

Almost surely, 2^149022725 is an apocalyptic number.

It is an amenable number.

149022725 is a deficient number, since it is larger than the sum of its proper divisors (35765485).

149022725 is an equidigital number, since it uses as much as digits as its factorization.

149022725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5960919 (or 5960914 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 149022725 is about 12207.4864325135. The cubic root of 149022725 is about 530.1728699172.

The spelling of 149022725 in words is "one hundred forty-nine million, twenty-two thousand, seven hundred twenty-five".