453940161 has 32 divisors (see below), whose sum is σ = 663936000. Its totient is φ = 275063040.

The previous prime is 453940127. The next prime is 453940187. The reversal of 453940161 is 161049354.

It is not a de Polignac number, because 453940161 - 2⁷ = 453940033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (453940661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97515 + ... + 102063.

It is an arithmetic number, because the mean of its divisors is an integer number (20748000).

Almost surely, 2^453940161 is an apocalyptic number.

It is an amenable number.

453940161 is a deficient number, since it is larger than the sum of its proper divisors (209995839).

453940161 is a wasteful number, since it uses less digits than its factorization.

453940161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4649.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 453940161 is about 21305.8715146788. The cubic root of 453940161 is about 768.5395158560.

The spelling of 453940161 in words is "four hundred fifty-three million, nine hundred forty thousand, one hundred sixty-one".