150205442 has 8 divisors (see below), whose sum is σ = 233077500. Its totient is φ = 72512944.

The previous prime is 150205439. The next prime is 150205463. The reversal of 150205442 is 244502051.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 143017681 + 7187761 = 11959^2 + 2681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1294817 + ... + 1294932.

Almost surely, 2^150205442 is an apocalyptic number.

150205442 is a deficient number, since it is larger than the sum of its proper divisors (82872058).

150205442 is a wasteful number, since it uses less digits than its factorization.

150205442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589780.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 150205442 is about 12255.8329786270. The cubic root of 150205442 is about 531.5717458231.

Adding to 150205442 its reverse (244502051), we get a palindrome (394707493).

The spelling of 150205442 in words is "one hundred fifty million, two hundred five thousand, four hundred forty-two".