149148146 has 32 divisors (see below), whose sum is σ = 267632640. Its totient is φ = 60950736.

The previous prime is 149148137. The next prime is 149148173. The reversal of 149148146 is 641841941.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153755 + ... + 154721.

It is an arithmetic number, because the mean of its divisors is an integer number (8363520).

Almost surely, 2^149148146 is an apocalyptic number.

149148146 is a deficient number, since it is larger than the sum of its proper divisors (118484494).

149148146 is a wasteful number, since it uses less digits than its factorization.

149148146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478.

The product of its digits is 27648, while the sum is 38.

The square root of 149148146 is about 12212.6224047090. The cubic root of 149148146 is about 530.3215634934.

The spelling of 149148146 in words is "one hundred forty-nine million, one hundred forty-eight thousand, one hundred forty-six".