142004200 has 48 divisors (see below), whose sum is σ = 355563180. Its totient is φ = 52431360.

The previous prime is 142004173. The next prime is 142004237. The reversal of 142004200 is 2400241.

It can be written as a sum of positive squares in 6 ways, for example, as 33802596 + 108201604 = 5814^2 + 10402^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24709 + ... + 29908.

Almost surely, 2^142004200 is an apocalyptic number.

142004200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142004200 is an abundant number, since it is smaller than the sum of its proper divisors (213558980).

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

142004200 is a wasteful number, since it uses less digits than its factorization.

142004200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54646 (or 54637 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 142004200 is about 11916.5515145952. The cubic root of 142004200 is about 521.7154882000.

Adding to 142004200 its reverse (2400241), we get a palindrome (144404441).

The spelling of 142004200 in words is "one hundred forty-two million, four thousand, two hundred".