450114140 has 48 divisors (see below), whose sum is σ = 1127250432. Its totient is φ = 147614016.

The previous prime is 450114089. The next prime is 450114157. The reversal of 450114140 is 41411054.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 66674 + ... + 73113.

It is an arithmetic number, because the mean of its divisors is an integer number (23484384).

Almost surely, 2^450114140 is an apocalyptic number.

It is an amenable number.

450114140 is an abundant number, since it is smaller than the sum of its proper divisors (677136292).

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

450114140 is a wasteful number, since it uses less digits than its factorization.

450114140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139826 (or 139824 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 450114140 is about 21215.8935706229. The cubic root of 450114140 is about 766.3742169599.

Adding to 450114140 its reverse (41411054), we get a palindrome (491525194).

The spelling of 450114140 in words is "four hundred fifty million, one hundred fourteen thousand, one hundred forty".