210203142 has 16 divisors (see below), whose sum is σ = 431769072. Its totient is φ = 68173920.

The previous prime is 210203111. The next prime is 210203159. The reversal of 210203142 is 241302012.

It is a congruent number.

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, 473209 + ... + 473652.

It is an arithmetic number, because the mean of its divisors is an integer number (26985567).

Almost surely, 2^210203142 is an apocalyptic number.

210203142 is an abundant number, since it is smaller than the sum of its proper divisors (221565930).

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

210203142 is a wasteful number, since it uses less digits than its factorization.

210203142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946903.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 210203142 is about 14498.3841168594. The cubic root of 210203142 is about 594.5837938572.

Adding to 210203142 its reverse (241302012), we get a palindrome (451505154).

The spelling of 210203142 in words is "two hundred ten million, two hundred three thousand, one hundred forty-two".