142042004 has 24 divisors (see below), whose sum is σ = 283443048. Its totient is φ = 61701120.

The previous prime is 142041989. The next prime is 142042009. The reversal of 142042004 is 400240241.

142042004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 26522500 + 115519504 = 5150^2 + 10748^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142042009) 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, 79457 + ... + 81224.

It is an arithmetic number, because the mean of its divisors is an integer number (11810127).

Almost surely, 2^142042004 is an apocalyptic number.

It is an amenable number.

142042004 is a deficient number, since it is larger than the sum of its proper divisors (141401044).

142042004 is a wasteful number, since it uses less digits than its factorization.

142042004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160715 (or 160713 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 142042004 is about 11918.1376061866. The cubic root of 142042004 is about 521.7617806862.

Adding to 142042004 its reverse (400240241), we get a palindrome (542282245).

The spelling of 142042004 in words is "one hundred forty-two million, forty-two thousand, four".