645410130 has 32 divisors (see below), whose sum is σ = 1616333184. Its totient is φ = 164626176.

The previous prime is 645410123. The next prime is 645410137. The reversal of 645410130 is 31014546.

It is an interprime number because it is at equal distance from previous prime (645410123) and next prime (645410137).

It is a self number, because there is not a number n which added to its sum of digits gives 645410130.

It is not an unprimeable number, because it can be changed into a prime (645410137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466999 + ... + 468378.

It is an arithmetic number, because the mean of its divisors is an integer number (50510412).

Almost surely, 2^645410130 is an apocalyptic number.

645410130 is an abundant number, since it is smaller than the sum of its proper divisors (970923054).

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

645410130 is a wasteful number, since it uses less digits than its factorization.

645410130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935410.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 645410130 is about 25404.9233417462. The cubic root of 645410130 is about 864.1953513822.

Adding to 645410130 its reverse (31014546), we get a palindrome (676424676).

The spelling of 645410130 in words is "six hundred forty-five million, four hundred ten thousand, one hundred thirty".