255149208 has 48 divisors (see below), whose sum is σ = 704077920. Its totient is φ = 83443776.

The previous prime is 255149207. The next prime is 255149227. The reversal of 255149208 is 802941552.

It is a super-2 number, since 2×255149208² = 130202236686054528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255149201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29616 + ... + 37247.

It is an arithmetic number, because the mean of its divisors is an integer number (14668290).

Almost surely, 2^255149208 is an apocalyptic number.

It is an amenable number.

255149208 is an abundant number, since it is smaller than the sum of its proper divisors (448928712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255149208 is a wasteful number, since it uses less digits than its factorization.

255149208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66928 (or 66921 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 255149208 is about 15973.3906231583. The cubic root of 255149208 is about 634.2562296288.

The spelling of 255149208 in words is "two hundred fifty-five million, one hundred forty-nine thousand, two hundred eight".