142464742 has 32 divisors (see below), whose sum is σ = 251429184. Its totient is φ = 59280000.

The previous prime is 142464671. The next prime is 142464757. The reversal of 142464742 is 247464241.

It is a junction number, because it is equal to n+sod(n) for n = 142464698 and 142464707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73992 + ... + 75892.

It is an arithmetic number, because the mean of its divisors is an integer number (7857162).

Almost surely, 2^142464742 is an apocalyptic number.

142464742 is a deficient number, since it is larger than the sum of its proper divisors (108964442).

142464742 is a wasteful number, since it uses less digits than its factorization.

142464742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064.

The product of its digits is 43008, while the sum is 34.

The square root of 142464742 is about 11935.8594998433. The cubic root of 142464742 is about 522.2788814302.

It can be divided in two parts, 1424 and 64742, that added together give a palindrome (66166).

The spelling of 142464742 in words is "one hundred forty-two million, four hundred sixty-four thousand, seven hundred forty-two".