152031442 has 16 divisors (see below), whose sum is σ = 245069280. Its totient is φ = 70475328.

The previous prime is 152031437. The next prime is 152031461. The reversal of 152031442 is 244130251.

It is a super-2 number, since 2×152031442² = 46227118713198728, which contains 22 as substring.

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, 31092 + ... + 35647.

It is an arithmetic number, because the mean of its divisors is an integer number (15316830).

Almost surely, 2^152031442 is an apocalyptic number.

152031442 is a deficient number, since it is larger than the sum of its proper divisors (93037838).

152031442 is a wasteful number, since it uses less digits than its factorization.

152031442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66825.

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

The square root of 152031442 is about 12330.1030814831. The cubic root of 152031442 is about 533.7171254024.

Adding to 152031442 its reverse (244130251), we get a palindrome (396161693).

The spelling of 152031442 in words is "one hundred fifty-two million, thirty-one thousand, four hundred forty-two".