143345542 has 8 divisors (see below), whose sum is σ = 215154576. Its totient is φ = 71627352.

The previous prime is 143345537. The next prime is 143345567. The reversal of 143345542 is 245543341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×143345542² = 41095888822547528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18618 + ... + 25165.

It is an arithmetic number, because the mean of its divisors is an integer number (26894322).

Almost surely, 2^143345542 is an apocalyptic number.

143345542 is a deficient number, since it is larger than the sum of its proper divisors (71809034).

143345542 is a wasteful number, since it uses less digits than its factorization.

143345542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45422.

The product of its digits is 28800, while the sum is 31.

The square root of 143345542 is about 11972.6998626041. The cubic root of 143345542 is about 523.3530148881.

Adding to 143345542 its reverse (245543341), we get a palindrome (388888883).

The spelling of 143345542 in words is "one hundred forty-three million, three hundred forty-five thousand, five hundred forty-two".