142430004 has 36 divisors (see below), whose sum is σ = 378982240. Its totient is φ = 44977680.

The previous prime is 142430003. The next prime is 142430009. The reversal of 142430004 is 400034241.

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).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142430003) 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, 103432 + ... + 104799.

Almost surely, 2^142430004 is an apocalyptic number.

It is an amenable number.

142430004 is an abundant number, since it is smaller than the sum of its proper divisors (236552236).

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

142430004 is a wasteful number, since it uses less digits than its factorization.

142430004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208260 (or 208255 counting only the distinct ones).

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

The square root of 142430004 is about 11934.4042163821. The cubic root of 142430004 is about 522.2364278885.

Adding to 142430004 its reverse (400034241), we get a palindrome (542464245).

The spelling of 142430004 in words is "one hundred forty-two million, four hundred thirty thousand, four".