210332142 has 24 divisors (see below), whose sum is σ = 456071616. Its totient is φ = 70056576.

The previous prime is 210332131. The next prime is 210332201. The reversal of 210332142 is 241233012.

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

It is a congruent number.

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, 24478 + ... + 31934.

It is an arithmetic number, because the mean of its divisors is an integer number (19002984).

Almost surely, 2^210332142 is an apocalyptic number.

210332142 is an abundant number, since it is smaller than the sum of its proper divisors (245739474).

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

210332142 is a wasteful number, since it uses less digits than its factorization.

210332142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9032 (or 9029 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 210332142 is about 14502.8322061589. The cubic root of 210332142 is about 594.7053994363.

Adding to 210332142 its reverse (241233012), we get a palindrome (451565154).

The spelling of 210332142 in words is "two hundred ten million, three hundred thirty-two thousand, one hundred forty-two".