149785275 has 12 divisors (see below), whose sum is σ = 247645112. Its totient is φ = 79885440.

The previous prime is 149785271. The next prime is 149785301. The reversal of 149785275 is 572587941.

It is not a de Polignac number, because 149785275 - 2² = 149785271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149785271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 998494 + ... + 998643.

Almost surely, 2^149785275 is an apocalyptic number.

149785275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149785275 is a deficient number, since it is larger than the sum of its proper divisors (97859837).

149785275 is a wasteful number, since it uses less digits than its factorization.

149785275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997150 (or 1997145 counting only the distinct ones).

The product of its digits is 705600, while the sum is 48.

The square root of 149785275 is about 12238.6794630793. The cubic root of 149785275 is about 531.0756308941.

The spelling of 149785275 in words is "one hundred forty-nine million, seven hundred eighty-five thousand, two hundred seventy-five".