149005422 has 24 divisors (see below), whose sum is σ = 333978840. Its totient is φ = 47955600.

The previous prime is 149005399. The next prime is 149005433. The reversal of 149005422 is 224500941.

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 11 ways as a sum of consecutive naturals, for example, 142204 + ... + 143247.

It is an arithmetic number, because the mean of its divisors is an integer number (13915785).

Almost surely, 2^149005422 is an apocalyptic number.

149005422 is an abundant number, since it is smaller than the sum of its proper divisors (184973418).

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

149005422 is a wasteful number, since it uses less digits than its factorization.

149005422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285488 (or 285485 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 149005422 is about 12206.7777074869. Note that the first 4 decimals coincide. The cubic root of 149005422 is about 530.1523496996.

The spelling of 149005422 in words is "one hundred forty-nine million, five thousand, four hundred twenty-two".