149255286 has 32 divisors (see below), whose sum is σ = 309644640. Its totient is φ = 47905536.

The previous prime is 149255251. The next prime is 149255287. The reversal of 149255286 is 682552941.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149255287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78580 + ... + 80456.

It is an arithmetic number, because the mean of its divisors is an integer number (9676395).

Almost surely, 2^149255286 is an apocalyptic number.

149255286 is an abundant number, since it is smaller than the sum of its proper divisors (160389354).

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

149255286 is a wasteful number, since it uses less digits than its factorization.

149255286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368.

The product of its digits is 172800, while the sum is 42.

The square root of 149255286 is about 12217.0080625332. The cubic root of 149255286 is about 530.4485179211.

The spelling of 149255286 in words is "one hundred forty-nine million, two hundred fifty-five thousand, two hundred eighty-six".