150918238 has 4 divisors (see below), whose sum is σ = 226377360. Its totient is φ = 75459118.

The previous prime is 150918221. The next prime is 150918259. The reversal of 150918238 is 832819051.

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

It is a super-2 number, since 2×150918238² = 45552629122049288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 150918197 and 150918206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37729558 + ... + 37729561.

It is an arithmetic number, because the mean of its divisors is an integer number (56594340).

Almost surely, 2^150918238 is an apocalyptic number.

150918238 is a deficient number, since it is larger than the sum of its proper divisors (75459122).

150918238 is an equidigital number, since it uses as much as digits as its factorization.

150918238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75459121.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 150918238 is about 12284.8784283769. The cubic root of 150918238 is about 532.4112725127.

The spelling of 150918238 in words is "one hundred fifty million, nine hundred eighteen thousand, two hundred thirty-eight".