142864734 has 16 divisors (see below), whose sum is σ = 286207488. Its totient is φ = 47541912.

The previous prime is 142864721. The next prime is 142864739. The reversal of 142864734 is 437468241.

142864734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142864692 and 142864701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142864739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15972 + ... + 23255.

It is an arithmetic number, because the mean of its divisors is an integer number (17887968).

Almost surely, 2^142864734 is an apocalyptic number.

142864734 is an abundant number, since it is smaller than the sum of its proper divisors (143342754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142864734 is a wasteful number, since it uses less digits than its factorization.

142864734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39839.

The product of its digits is 129024, while the sum is 39.

The square root of 142864734 is about 11952.6036494146. The cubic root of 142864734 is about 522.7672178482.

The spelling of 142864734 in words is "one hundred forty-two million, eight hundred sixty-four thousand, seven hundred thirty-four".