151505242 has 16 divisors (see below), whose sum is σ = 261178560. Its totient is φ = 64567008.

The previous prime is 151505231. The next prime is 151505257. The reversal of 151505242 is 242505151.

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 7 ways as a sum of consecutive naturals, for example, 27723 + ... + 32734.

It is an arithmetic number, because the mean of its divisors is an integer number (16323660).

Almost surely, 2^151505242 is an apocalyptic number.

151505242 is a deficient number, since it is larger than the sum of its proper divisors (109673318).

151505242 is a wasteful number, since it uses less digits than its factorization.

151505242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60645.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 151505242 is about 12308.7465649432. The cubic root of 151505242 is about 533.1006595320.

Subtracting 151505242 from its reverse (242505151), we obtain a palindrome (90999909).

The spelling of 151505242 in words is "one hundred fifty-one million, five hundred five thousand, two hundred forty-two".