162743453 has 4 divisors (see below), whose sum is σ = 162774240. Its totient is φ = 162712668.

The previous prime is 162743437. The next prime is 162743461. The reversal of 162743453 is 354347261.

162743453 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, and also an emirpimes, since its reverse is a distinct semiprime: 354347261 = 37 ⋅9576953.

It is a cyclic number.

It is not a de Polignac number, because 162743453 - 2⁴ = 162743437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162743153) 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, 5225 + ... + 18782.

It is an arithmetic number, because the mean of its divisors is an integer number (40693560).

Almost surely, 2^162743453 is an apocalyptic number.

It is an amenable number.

162743453 is a deficient number, since it is larger than the sum of its proper divisors (30787).

162743453 is an equidigital number, since it uses as much as digits as its factorization.

162743453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30786.

The product of its digits is 60480, while the sum is 35.

The square root of 162743453 is about 12757.0942224317. The cubic root of 162743453 is about 545.9688213176.

The spelling of 162743453 in words is "one hundred sixty-two million, seven hundred forty-three thousand, four hundred fifty-three".