151564242 has 8 divisors (see below), whose sum is σ = 303128496. Its totient is φ = 50521412.

The previous prime is 151564223. The next prime is 151564267. The reversal of 151564242 is 242465151.

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

151564242 is an admirable number.

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, 12630348 + ... + 12630359.

It is an arithmetic number, because the mean of its divisors is an integer number (37891062).

Almost surely, 2^151564242 is an apocalyptic number.

151564242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151564242 is a wasteful number, since it uses less digits than its factorization.

151564242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25260712.

The product of its digits is 9600, while the sum is 30.

The square root of 151564242 is about 12311.1430013626. The cubic root of 151564242 is about 533.1698515426.

Subtracting 151564242 from its reverse (242465151), we obtain a palindrome (90900909).

The spelling of 151564242 in words is "one hundred fifty-one million, five hundred sixty-four thousand, two hundred forty-two".