149042258 has 4 divisors (see below), whose sum is σ = 223563390. Its totient is φ = 74521128.

The previous prime is 149042239. The next prime is 149042263. The reversal of 149042258 is 852240941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 113912929 + 35129329 = 10673^2 + 5927^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37260563 + ... + 37260566.

Almost surely, 2^149042258 is an apocalyptic number.

149042258 is a deficient number, since it is larger than the sum of its proper divisors (74521132).

149042258 is an equidigital number, since it uses as much as digits as its factorization.

149042258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74521131.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 149042258 is about 12208.2864481466. The cubic root of 149042258 is about 530.1960328593.

The spelling of 149042258 in words is "one hundred forty-nine million, forty-two thousand, two hundred fifty-eight".