142400535 has 32 divisors (see below), whose sum is σ = 243793920. Its totient is φ = 70761600.

The previous prime is 142400509. The next prime is 142400579. The reversal of 142400535 is 535004241.

It is not a de Polignac number, because 142400535 - 2⁶ = 142400471 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13290 + ... + 21480.

It is an arithmetic number, because the mean of its divisors is an integer number (7618560).

Almost surely, 2^142400535 is an apocalyptic number.

142400535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142400535 is a deficient number, since it is larger than the sum of its proper divisors (101393385).

142400535 is a wasteful number, since it uses less digits than its factorization.

142400535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8279.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 142400535 is about 11933.1695286709. The cubic root of 142400535 is about 522.2004082148.

Adding to 142400535 its reverse (535004241), we get a palindrome (677404776).

The spelling of 142400535 in words is "one hundred forty-two million, four hundred thousand, five hundred thirty-five".