142742704 has 40 divisors (see below), whose sum is σ = 299480832. Its totient is φ = 65518080.

The previous prime is 142742701. The next prime is 142742729. The reversal of 142742704 is 407247241.

It is not an unprimeable number, because it can be changed into a prime (142742701) 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, 37932 + ... + 41524.

Almost surely, 2^142742704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142742704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149740416).

142742704 is an abundant number, since it is smaller than the sum of its proper divisors (156738128).

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

142742704 is a wasteful number, since it uses less digits than its factorization.

142742704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805 (or 3799 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 142742704 is about 11947.4978133499. The cubic root of 142742704 is about 522.6183323634.

Adding to 142742704 its reverse (407247241), we get a palindrome (549989945).

The spelling of 142742704 in words is "one hundred forty-two million, seven hundred forty-two thousand, seven hundred four".