151330442 has 8 divisors (see below), whose sum is σ = 227088036. Its totient is φ = 75634432.

The previous prime is 151330441. The next prime is 151330453. The reversal of 151330442 is 244033151.

It can be written as a sum of positive squares in 2 ways, for example, as 126540001 + 24790441 = 11249^2 + 4979^2 .

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

It is not an unprimeable number, because it can be changed into a prime (151330441) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 8663 + ... + 19434.

Almost surely, 2^151330442 is an apocalyptic number.

151330442 is a deficient number, since it is larger than the sum of its proper divisors (75757594).

151330442 is a wasteful number, since it uses less digits than its factorization.

151330442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30792.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 151330442 is about 12301.6438738894. The cubic root of 151330442 is about 532.8955580341.

Adding to 151330442 its reverse (244033151), we get a palindrome (395363593).

The spelling of 151330442 in words is "one hundred fifty-one million, three hundred thirty thousand, four hundred forty-two".