152440442 has 16 divisors (see below), whose sum is σ = 285083712. Its totient is φ = 59392320.

The previous prime is 152440433. The next prime is 152440451. The reversal of 152440442 is 244044251.

It is an interprime number because it is at equal distance from previous prime (152440433) and next prime (152440451).

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, 494783 + ... + 495090.

It is an arithmetic number, because the mean of its divisors is an integer number (17817732).

Almost surely, 2^152440442 is an apocalyptic number.

152440442 is a deficient number, since it is larger than the sum of its proper divisors (132643270).

152440442 is a wasteful number, since it uses less digits than its factorization.

152440442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989893.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 152440442 is about 12346.6773668060. The cubic root of 152440442 is about 534.1953046590.

Adding to 152440442 its reverse (244044251), we get a palindrome (396484693).

The spelling of 152440442 in words is "one hundred fifty-two million, four hundred forty thousand, four hundred forty-two".