142003210 has 16 divisors (see below), whose sum is σ = 270641736. Its totient is φ = 53459968.

The previous prime is 142003171. The next prime is 142003223. The reversal of 142003210 is 12300241.

It can be written as a sum of positive squares in 4 ways, for example, as 114639849 + 27363361 = 10707^2 + 5231^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417487 + ... + 417826.

Almost surely, 2^142003210 is an apocalyptic number.

142003210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142003210 is a deficient number, since it is larger than the sum of its proper divisors (128638526).

142003210 is a wasteful number, since it uses less digits than its factorization.

142003210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835337.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 142003210 is about 11916.5099756598. The cubic root of 142003210 is about 521.7142757957.

Adding to 142003210 its reverse (12300241), we get a palindrome (154303451).

The spelling of 142003210 in words is "one hundred forty-two million, three thousand, two hundred ten".