142403004 has 36 divisors (see below), whose sum is σ = 368746560. Its totient is φ = 46309440.

The previous prime is 142403003. The next prime is 142403029. The reversal of 142403004 is 400304241.

142403004 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

142403004 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142403003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46764 + ... + 49715.

It is an arithmetic number, because the mean of its divisors is an integer number (10242960).

Almost surely, 2^142403004 is an apocalyptic number.

It is an amenable number.

142403004 is an abundant number, since it is smaller than the sum of its proper divisors (226343556).

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

142403004 is a wasteful number, since it uses less digits than its factorization.

142403004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96530 (or 96525 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 142403004 is about 11933.2729793632. The cubic root of 142403004 is about 522.2034262403.

Adding to 142403004 its reverse (400304241), we get a palindrome (542707245).

The spelling of 142403004 in words is "one hundred forty-two million, four hundred three thousand, four".