45321210 has 48 divisors (see below), whose sum is σ = 128550240. Its totient is φ = 10986720.

The previous prime is 45321209. The next prime is 45321239. The reversal of 45321210 is 1212354.

45321210 is a `hidden beast` number, since 453 + 2 + 1 + 210 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21900 + ... + 23879.

It is an arithmetic number, because the mean of its divisors is an integer number (2678130).

Almost surely, 2^45321210 is an apocalyptic number.

45321210 is an abundant number, since it is smaller than the sum of its proper divisors (83229030).

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

45321210 is a wasteful number, since it uses less digits than its factorization.

45321210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45803 (or 45800 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 45321210 is about 6732.1029403894. The cubic root of 45321210 is about 356.5336282386.

Adding to 45321210 its reverse (1212354), we get a palindrome (46533564).

The spelling of 45321210 in words is "forty-five million, three hundred twenty-one thousand, two hundred ten".