149885285 has 8 divisors (see below), whose sum is σ = 196213536. Its totient is φ = 109007440.

The previous prime is 149885257. The next prime is 149885317. The reversal of 149885285 is 582588941.

149885285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 149885285 - 2⁶ = 149885221 is a prime.

It is a super-3 number, since 3×149885285³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1362539 + ... + 1362648.

It is an arithmetic number, because the mean of its divisors is an integer number (24526692).

Almost surely, 2^149885285 is an apocalyptic number.

It is an amenable number.

149885285 is a deficient number, since it is larger than the sum of its proper divisors (46328251).

149885285 is a wasteful number, since it uses less digits than its factorization.

149885285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725203.

The product of its digits is 921600, while the sum is 50.

The square root of 149885285 is about 12242.7645979166. The cubic root of 149885285 is about 531.1938024061.

The spelling of 149885285 in words is "one hundred forty-nine million, eight hundred eighty-five thousand, two hundred eighty-five".