151002242 has 4 divisors (see below), whose sum is σ = 226503366. Its totient is φ = 75501120.

The previous prime is 151002227. The next prime is 151002251. The reversal of 151002242 is 242200151.

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

It can be written as a sum of positive squares in only one way, i.e., 87815641 + 63186601 = 9371^2 + 7949^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 151002242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37750559 + ... + 37750562.

Almost surely, 2^151002242 is an apocalyptic number.

151002242 is a deficient number, since it is larger than the sum of its proper divisors (75501124).

151002242 is an equidigital number, since it uses as much as digits as its factorization.

151002242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75501123.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 151002242 is about 12288.2969527921. The cubic root of 151002242 is about 532.5100376487.

Adding to 151002242 its reverse (242200151), we get a palindrome (393202393).

The spelling of 151002242 in words is "one hundred fifty-one million, two thousand, two hundred forty-two".