149225269 has 8 divisors (see below), whose sum is σ = 158879448. Its totient is φ = 139668480.

The previous prime is 149225243. The next prime is 149225291. The reversal of 149225269 is 962522941.

It can be written as a sum of positive squares in 4 ways, for example, as 19044 + 149206225 = 138^2 + 12215^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149225269 - 2²⁵ = 115670837 is a prime.

It is a super-2 number, since 2×149225269² = 44536361816244722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149225299) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21172 + ... + 27325.

It is an arithmetic number, because the mean of its divisors is an integer number (19859931).

Almost surely, 2^149225269 is an apocalyptic number.

It is an amenable number.

149225269 is a deficient number, since it is larger than the sum of its proper divisors (9654179).

149225269 is a wasteful number, since it uses less digits than its factorization.

149225269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48695.

The product of its digits is 77760, while the sum is 40.

The square root of 149225269 is about 12215.7795084882. The cubic root of 149225269 is about 530.4129557174.

The spelling of 149225269 in words is "one hundred forty-nine million, two hundred twenty-five thousand, two hundred sixty-nine".