149610238 has 4 divisors (see below), whose sum is σ = 224415360. Its totient is φ = 74805118.

The previous prime is 149610221. The next prime is 149610257. The reversal of 149610238 is 832016941.

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

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, 37402558 + ... + 37402561.

It is an arithmetic number, because the mean of its divisors is an integer number (56103840).

Almost surely, 2^149610238 is an apocalyptic number.

149610238 is a deficient number, since it is larger than the sum of its proper divisors (74805122).

149610238 is an equidigital number, since it uses as much as digits as its factorization.

149610238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74805121.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 149610238 is about 12231.5263969792. The cubic root of 149610238 is about 530.8686810487.

The spelling of 149610238 in words is "one hundred forty-nine million, six hundred ten thousand, two hundred thirty-eight".