142768534 has 8 divisors (see below), whose sum is σ = 214203528. Its totient is φ = 71367360.

The previous prime is 142768529. The next prime is 142768541. The reversal of 142768534 is 435867241.

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

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, 11949 + ... + 20695.

It is an arithmetic number, because the mean of its divisors is an integer number (26775441).

Almost surely, 2^142768534 is an apocalyptic number.

142768534 is a deficient number, since it is larger than the sum of its proper divisors (71434994).

142768534 is an equidigital number, since it uses as much as digits as its factorization.

142768534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16910.

The product of its digits is 161280, while the sum is 40.

The square root of 142768534 is about 11948.5787439344. The cubic root of 142768534 is about 522.6498539216.

The spelling of 142768534 in words is "one hundred forty-two million, seven hundred sixty-eight thousand, five hundred thirty-four".