163745454 has 32 divisors (see below), whose sum is σ = 337118976. Its totient is φ = 53000640.

The previous prime is 163745447. The next prime is 163745467. The reversal of 163745454 is 454547361.

It is a happy number.

163745454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163745454² = 53625147411332232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25674 + ... + 31410.

It is an arithmetic number, because the mean of its divisors is an integer number (10534968).

Almost surely, 2^163745454 is an apocalyptic number.

163745454 is an abundant number, since it is smaller than the sum of its proper divisors (173373522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163745454 is a wasteful number, since it uses less digits than its factorization.

163745454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5880.

The product of its digits is 201600, while the sum is 39.

The square root of 163745454 is about 12796.3062639185. The cubic root of 163745454 is about 547.0870278753.

The spelling of 163745454 in words is "one hundred sixty-three million, seven hundred forty-five thousand, four hundred fifty-four".