210045942 has 24 divisors (see below), whose sum is σ = 460585944. Its totient is φ = 69171264.

The previous prime is 210045923. The next prime is 210045989. The reversal of 210045942 is 249540012.

210045942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 68803 + ... + 71790.

It is an arithmetic number, because the mean of its divisors is an integer number (19191081).

Almost surely, 2^210045942 is an apocalyptic number.

210045942 is an abundant number, since it is smaller than the sum of its proper divisors (250540002).

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

210045942 is a wasteful number, since it uses less digits than its factorization.

210045942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140684 (or 140681 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 210045942 is about 14492.9618090989. The cubic root of 210045942 is about 594.4355374590.

Adding to 210045942 its reverse (249540012), we get a palindrome (459585954).

The spelling of 210045942 in words is "two hundred ten million, forty-five thousand, nine hundred forty-two".