149905358 has 4 divisors (see below), whose sum is σ = 224858040. Its totient is φ = 74952678.

The previous prime is 149905319. The next prime is 149905369. The reversal of 149905358 is 853509941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 853509941 = 73 ⋅11691917.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37476338 + ... + 37476341.

It is an arithmetic number, because the mean of its divisors is an integer number (56214510).

Almost surely, 2^149905358 is an apocalyptic number.

149905358 is a deficient number, since it is larger than the sum of its proper divisors (74952682).

149905358 is an equidigital number, since it uses as much as digits as its factorization.

149905358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74952681.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 149905358 is about 12243.5843607989. The cubic root of 149905358 is about 531.2175142673.

The spelling of 149905358 in words is "one hundred forty-nine million, nine hundred five thousand, three hundred fifty-eight".