454545312 has 144 divisors (see below), whose sum is σ = 1331255520. Its totient is φ = 134991360.

The previous prime is 454545307. The next prime is 454545359. The reversal of 454545312 is 213545454.

It is a super-2 number, since 2×454545312² = 413222881322354688, which contains 22 as substring.

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, 1199139 + ... + 1199517.

It is an arithmetic number, because the mean of its divisors is an integer number (9244830).

Almost surely, 2^454545312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454545312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665627760).

454545312 is an abundant number, since it is smaller than the sum of its proper divisors (876710208).

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

454545312 is a wasteful number, since it uses less digits than its factorization.

454545312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 428 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 454545312 is about 21320.0682925735. The cubic root of 454545312 is about 768.8808794549.

The spelling of 454545312 in words is "four hundred fifty-four million, five hundred forty-five thousand, three hundred twelve".