149110146 has 48 divisors (see below), whose sum is σ = 338598624. Its totient is φ = 49175424.

The previous prime is 149110139. The next prime is 149110163. The reversal of 149110146 is 641011941.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 23 ways as a sum of consecutive naturals, for example, 45561 + ... + 48723.

It is an arithmetic number, because the mean of its divisors is an integer number (7054138).

Almost surely, 2^149110146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149110146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169299312).

149110146 is an abundant number, since it is smaller than the sum of its proper divisors (189488478).

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

149110146 is an equidigital number, since it uses as much as digits as its factorization.

149110146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277 (or 3265 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 149110146 is about 12211.0665381858. The cubic root of 149110146 is about 530.2765211833.

The spelling of 149110146 in words is "one hundred forty-nine million, one hundred ten thousand, one hundred forty-six".