149220286 has 8 divisors (see below), whose sum is σ = 223883064. Its totient is φ = 74592600.

The previous prime is 149220233. The next prime is 149220287. The reversal of 149220286 is 682022941.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149220287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9336 + ... + 19636.

It is an arithmetic number, because the mean of its divisors is an integer number (27985383).

Almost surely, 2^149220286 is an apocalyptic number.

149220286 is a deficient number, since it is larger than the sum of its proper divisors (74662778).

149220286 is a wasteful number, since it uses less digits than its factorization.

149220286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17546.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 149220286 is about 12215.5755492731. The cubic root of 149220286 is about 530.4070517191.

The spelling of 149220286 in words is "one hundred forty-nine million, two hundred twenty thousand, two hundred eighty-six".