453391147 has 4 divisors (see below), whose sum is σ = 494608536. Its totient is φ = 412173760.

The previous prime is 453391117. The next prime is 453391163. The reversal of 453391147 is 741193354.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-453391147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (453391117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20608678 + ... + 20608699.

It is an arithmetic number, because the mean of its divisors is an integer number (123652134).

Almost surely, 2^453391147 is an apocalyptic number.

453391147 is a deficient number, since it is larger than the sum of its proper divisors (41217389).

453391147 is a wasteful number, since it uses less digits than its factorization.

453391147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41217388.

The product of its digits is 45360, while the sum is 37.

The square root of 453391147 is about 21292.9835157030. The cubic root of 453391147 is about 768.2295563739.

The spelling of 453391147 in words is "four hundred fifty-three million, three hundred ninety-one thousand, one hundred forty-seven".