45640210 has 32 divisors (see below), whose sum is σ = 102425472. Its totient is φ = 14225280.

The previous prime is 45640201. The next prime is 45640219. The reversal of 45640210 is 1204654.

It is an interprime number because it is at equal distance from previous prime (45640201) and next prime (45640219).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (45640219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28867 + ... + 30406.

It is an arithmetic number, because the mean of its divisors is an integer number (3200796).

Almost surely, 2^45640210 is an apocalyptic number.

45640210 is an abundant number, since it is smaller than the sum of its proper divisors (56785262).

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

45640210 is a wasteful number, since it uses less digits than its factorization.

45640210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59298.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 45640210 is about 6755.7538439467. The cubic root of 45640210 is about 357.3681780441.

Adding to 45640210 its reverse (1204654), we get a palindrome (46844864).

Subtracting from 45640210 its reverse (1204654), we obtain a square (44435556 = 6666²).

The spelling of 45640210 in words is "forty-five million, six hundred forty thousand, two hundred ten".