453945536 has 84 divisors (see below), whose sum is σ = 1004568984. Its totient is φ = 203512320.

The previous prime is 453945487. The next prime is 453945559. The reversal of 453945536 is 635549354.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6218396 + ... + 6218468.

Almost surely, 2^453945536 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 453945536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502284492).

453945536 is an abundant number, since it is smaller than the sum of its proper divisors (550623448).

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

453945536 is an frugal number, since it uses more digits than its factorization.

453945536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 86 counting only the distinct ones).

The product of its digits is 972000, while the sum is 44.

The square root of 453945536 is about 21305.9976532431. The cubic root of 453945536 is about 768.5425492100.

Multiplying 453945536 by its sum of digits (44), we get a square (19973603584 = 141328²).

453945536 divided by its sum of digits (44) gives a square (10316944 = 3212²).

The spelling of 453945536 in words is "four hundred fifty-three million, nine hundred forty-five thousand, five hundred thirty-six".