163734045 has 16 divisors (see below), whose sum is σ = 262507392. Its totient is φ = 87147200.

The previous prime is 163734037. The next prime is 163734047. The reversal of 163734045 is 540437361.

It is not a de Polignac number, because 163734045 - 2³ = 163734037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163733997 and 163734015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163734047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3306 + ... + 18395.

It is an arithmetic number, because the mean of its divisors is an integer number (16406712).

Almost surely, 2^163734045 is an apocalyptic number.

163734045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163734045 is a deficient number, since it is larger than the sum of its proper divisors (98773347).

163734045 is a wasteful number, since it uses less digits than its factorization.

163734045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22212.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 163734045 is about 12795.8604634468. The cubic root of 163734045 is about 547.0743214445.

The spelling of 163734045 in words is "one hundred sixty-three million, seven hundred thirty-four thousand, forty-five".