149061285 has 24 divisors (see below), whose sum is σ = 259398360. Its totient is φ = 79183872.

The previous prime is 149061233. The next prime is 149061293. The reversal of 149061285 is 582160941.

It can be written as a sum of positive squares in 4 ways, for example, as 66487716 + 82573569 = 8154^2 + 9087^2 .

It is not a de Polignac number, because 149061285 - 2⁶ = 149061221 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5121 + ... + 18009.

It is an arithmetic number, because the mean of its divisors is an integer number (10808265).

Almost surely, 2^149061285 is an apocalyptic number.

149061285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149061285 is a deficient number, since it is larger than the sum of its proper divisors (110337075).

149061285 is a wasteful number, since it uses less digits than its factorization.

149061285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13157 (or 13154 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 149061285 is about 12209.0656890689. The cubic root of 149061285 is about 530.2185938224.

The spelling of 149061285 in words is "one hundred forty-nine million, sixty-one thousand, two hundred eighty-five".