180226453 has 4 divisors (see below), whose sum is σ = 196610688. Its totient is φ = 163842220.

The previous prime is 180226451. The next prime is 180226463. The reversal of 180226453 is 354622081.

180226453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 180226453 - 2¹ = 180226451 is a prime.

It is a super-2 number, since 2×180226453² = 64963148721922418, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180226451) 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, 8192101 + ... + 8192122.

It is an arithmetic number, because the mean of its divisors is an integer number (49152672).

Almost surely, 2^180226453 is an apocalyptic number.

It is an amenable number.

180226453 is a deficient number, since it is larger than the sum of its proper divisors (16384235).

180226453 is a wasteful number, since it uses less digits than its factorization.

180226453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16384234.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 180226453 is about 13424.8446173503. The cubic root of 180226453 is about 564.8582963609.

The spelling of 180226453 in words is "one hundred eighty million, two hundred twenty-six thousand, four hundred fifty-three".