162244451 has 2 divisors, whose sum is σ = 162244452. Its totient is φ = 162244450.

The previous prime is 162244427. The next prime is 162244457. The reversal of 162244451 is 154442261.

It is a strong prime.

It is an emirp because it is prime and its reverse (154442261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162244451 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (162244457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81122225 + 81122226.

It is an arithmetic number, because the mean of its divisors is an integer number (81122226).

Almost surely, 2^162244451 is an apocalyptic number.

162244451 is a deficient number, since it is larger than the sum of its proper divisors (1).

162244451 is an equidigital number, since it uses as much as digits as its factorization.

162244451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 29.

The square root of 162244451 is about 12737.5213836916. The cubic root of 162244451 is about 545.4102356944.

The spelling of 162244451 in words is "one hundred sixty-two million, two hundred forty-four thousand, four hundred fifty-one".