167272445 has 12 divisors (see below), whose sum is σ = 209836956. Its totient is φ = 127997760.

The previous prime is 167272433. The next prime is 167272453. The reversal of 167272445 is 544272761.

It can be written as a sum of positive squares in 2 ways, for example, as 54848836 + 112423609 = 7406^2 + 10603^2 .

It is not a de Polignac number, because 167272445 - 2¹² = 167268349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 167272399 and 167272408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28976 + ... + 34265.

It is an arithmetic number, because the mean of its divisors is an integer number (17486413).

Almost surely, 2^167272445 is an apocalyptic number.

It is an amenable number.

167272445 is a deficient number, since it is larger than the sum of its proper divisors (42564511).

167272445 is an equidigital number, since it uses as much as digits as its factorization.

167272445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63292 (or 63269 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 167272445 is about 12933.3849010999. The cubic root of 167272445 is about 550.9871473051.

The spelling of 167272445 in words is "one hundred sixty-seven million, two hundred seventy-two thousand, four hundred forty-five".