142642324 has 24 divisors (see below), whose sum is σ = 272982528. Its totient is φ = 64679040.

The previous prime is 142642307. The next prime is 142642333. The reversal of 142642324 is 423246241.

It is a super-2 number, since 2×142642324² = 40693665192241952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142642292 and 142642301.

It is a congruent number.

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, 15309 + ... + 22795.

It is an arithmetic number, because the mean of its divisors is an integer number (11374272).

Almost surely, 2^142642324 is an apocalyptic number.

It is an amenable number.

142642324 is a deficient number, since it is larger than the sum of its proper divisors (130340204).

142642324 is a wasteful number, since it uses less digits than its factorization.

142642324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7935 (or 7933 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 142642324 is about 11943.2961949371. The cubic root of 142642324 is about 522.4957978341.

Adding to 142642324 its reverse (423246241), we get a palindrome (565888565).

The spelling of 142642324 in words is "one hundred forty-two million, six hundred forty-two thousand, three hundred twenty-four".