453353985 has 96 divisors (see below), whose sum is σ = 922821120. Its totient is φ = 201636864.

The previous prime is 453353981. The next prime is 453353993. The reversal of 453353985 is 589353354.

It is a happy number.

453353985 is a `hidden beast` number, since 4 + 5 + 33 + 539 + 85 = 666.

It is not a de Polignac number, because 453353985 - 2² = 453353981 is a prime.

It is a super-3 number, since 3×453353985³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 453353985.

It is not an unprimeable number, because it can be changed into a prime (453353981) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2887527 + ... + 2887683.

It is an arithmetic number, because the mean of its divisors is an integer number (9612720).

Almost surely, 2^453353985 is an apocalyptic number.

453353985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

453353985 is an abundant number, since it is smaller than the sum of its proper divisors (469467135).

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

453353985 is a wasteful number, since it uses less digits than its factorization.

453353985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 364 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The square root of 453353985 is about 21292.1108629464. The cubic root of 453353985 is about 768.2085666045.

The spelling of 453353985 in words is "four hundred fifty-three million, three hundred fifty-three thousand, nine hundred eighty-five".