162193453 has 2 divisors, whose sum is σ = 162193454. Its totient is φ = 162193452.

The previous prime is 162193441. The next prime is 162193469. The reversal of 162193453 is 354391261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127170729 + 35022724 = 11277^2 + 5918^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162193453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162193483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81096726 + 81096727.

It is an arithmetic number, because the mean of its divisors is an integer number (81096727).

Almost surely, 2^162193453 is an apocalyptic number.

It is an amenable number.

162193453 is a deficient number, since it is larger than the sum of its proper divisors (1).

162193453 is an equidigital number, since it uses as much as digits as its factorization.

162193453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The square root of 162193453 is about 12735.5193455155. The cubic root of 162193453 is about 545.3530837736.

The spelling of 162193453 in words is "one hundred sixty-two million, one hundred ninety-three thousand, four hundred fifty-three".