143030442 has 16 divisors (see below), whose sum is σ = 301116960. Its totient is φ = 45167472.

The previous prime is 143030429. The next prime is 143030453. The reversal of 143030442 is 244030341.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627213 + ... + 627440.

It is an arithmetic number, because the mean of its divisors is an integer number (18819810).

Almost surely, 2^143030442 is an apocalyptic number.

143030442 is an abundant number, since it is smaller than the sum of its proper divisors (158086518).

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

143030442 is a wasteful number, since it uses less digits than its factorization.

143030442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254677.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 143030442 is about 11959.5335193309. The cubic root of 143030442 is about 522.9692580034.

Adding to 143030442 its reverse (244030341), we get a palindrome (387060783).

The spelling of 143030442 in words is "one hundred forty-three million, thirty thousand, four hundred forty-two".