143214242 has 16 divisors (see below), whose sum is σ = 221113152. Its totient is φ = 69540240.

The previous prime is 143214241. The next prime is 143214277. The reversal of 143214242 is 242412341.

It is a super-2 number, since 2×143214242² = 41020638223269128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143214241) 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, 1988 + ... + 17040.

It is an arithmetic number, because the mean of its divisors is an integer number (13819572).

Almost surely, 2^143214242 is an apocalyptic number.

143214242 is a deficient number, since it is larger than the sum of its proper divisors (77898910).

143214242 is a wasteful number, since it uses less digits than its factorization.

143214242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15193.

The product of its digits is 1536, while the sum is 23.

The square root of 143214242 is about 11967.2152984727. The cubic root of 143214242 is about 523.1931744512.

Adding to 143214242 its reverse (242412341), we get a palindrome (385626583).

The spelling of 143214242 in words is "one hundred forty-three million, two hundred fourteen thousand, two hundred forty-two".