151223242 has 16 divisors (see below), whose sum is σ = 239016960. Its totient is φ = 71559072.

The previous prime is 151223231. The next prime is 151223249. The reversal of 151223242 is 242322151.

It is a happy number.

151223242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (151223249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61998 + ... + 64390.

It is an arithmetic number, because the mean of its divisors is an integer number (14938560).

Almost surely, 2^151223242 is an apocalyptic number.

151223242 is a deficient number, since it is larger than the sum of its proper divisors (87793718).

151223242 is a wasteful number, since it uses less digits than its factorization.

151223242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077.

The product of its digits is 960, while the sum is 22.

The square root of 151223242 is about 12297.2859607313. The cubic root of 151223242 is about 532.7696968227.

Adding to 151223242 its reverse (242322151), we get a palindrome (393545393).

The spelling of 151223242 in words is "one hundred fifty-one million, two hundred twenty-three thousand, two hundred forty-two".