149381286 has 32 divisors (see below), whose sum is σ = 307280736. Its totient is φ = 48384000.

The previous prime is 149381279. The next prime is 149381303. The reversal of 149381286 is 682183941.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 68046 + ... + 70206.

It is an arithmetic number, because the mean of its divisors is an integer number (9602523).

Almost surely, 2^149381286 is an apocalyptic number.

149381286 is an abundant number, since it is smaller than the sum of its proper divisors (157899450).

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

149381286 is a wasteful number, since it uses less digits than its factorization.

149381286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488.

The product of its digits is 82944, while the sum is 42.

The square root of 149381286 is about 12222.1637200620. The cubic root of 149381286 is about 530.5977425958.

The spelling of 149381286 in words is "one hundred forty-nine million, three hundred eighty-one thousand, two hundred eighty-six".