451031245140 has 48 divisors (see below), whose sum is σ = 1443299985792. Its totient is φ = 103092855936.

The previous prime is 451031245139. The next prime is 451031245163. The reversal of 451031245140 is 41542130154.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 451031245098 and 451031245107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536941539 + ... + 536942378.

It is an arithmetic number, because the mean of its divisors is an integer number (30068749704).

Almost surely, 2^451031245140 is an apocalyptic number.

It is an amenable number.

451031245140 is an abundant number, since it is smaller than the sum of its proper divisors (992268740652).

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

451031245140 is a wasteful number, since it uses less digits than its factorization.

451031245140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073883936 (or 1073883934 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 451031245140 its reverse (41542130154), we get a palindrome (492573375294).

The spelling of 451031245140 in words is "four hundred fifty-one billion, thirty-one million, two hundred forty-five thousand, one hundred forty".