453351645 has 12 divisors (see below), whose sum is σ = 785809596. Its totient is φ = 241787520.

The previous prime is 453351629. The next prime is 453351649. The reversal of 453351645 is 546153354.

453351645 is a `hidden beast` number, since 4 + 5 + 3 + 3 + 5 + 1 + 645 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 86322681 + 367028964 = 9291^2 + 19158^2 .

It is not a de Polignac number, because 453351645 - 2⁴ = 453351629 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453351649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5037196 + ... + 5037285.

It is an arithmetic number, because the mean of its divisors is an integer number (65484133).

Almost surely, 2^453351645 is an apocalyptic number.

453351645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

453351645 is a deficient number, since it is larger than the sum of its proper divisors (332457951).

453351645 is a wasteful number, since it uses less digits than its factorization.

453351645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10074492 (or 10074489 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 453351645 is about 21292.0559129456. The cubic root of 453351645 is about 768.2072448919.

The spelling of 453351645 in words is "four hundred fifty-three million, three hundred fifty-one thousand, six hundred forty-five".