143024542 has 4 divisors (see below), whose sum is σ = 214536816. Its totient is φ = 71512270.

The previous prime is 143024537. The next prime is 143024543. The reversal of 143024542 is 245420341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245420341 = 683 ⋅359327.

It is a super-2 number, since 2×143024542² = 40912039228619528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143024543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35756134 + ... + 35756137.

It is an arithmetic number, because the mean of its divisors is an integer number (53634204).

Almost surely, 2^143024542 is an apocalyptic number.

143024542 is a deficient number, since it is larger than the sum of its proper divisors (71512274).

143024542 is an equidigital number, since it uses as much as digits as its factorization.

143024542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71512273.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 143024542 is about 11959.2868516480. The cubic root of 143024542 is about 522.9620670842.

Adding to 143024542 its reverse (245420341), we get a palindrome (388444883).

The spelling of 143024542 in words is "one hundred forty-three million, twenty-four thousand, five hundred forty-two".