163572045 has 192 divisors, whose sum is σ = 372314880. Its totient is φ = 60383232.

The previous prime is 163571987. The next prime is 163572119. The reversal of 163572045 is 540275361.

It is not a de Polignac number, because 163572045 - 2⁶ = 163571981 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 163571997 and 163572015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3086239 + ... + 3086291.

It is an arithmetic number, because the mean of its divisors is an integer number (1939140).

Almost surely, 2^163572045 is an apocalyptic number.

163572045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163572045 is an abundant number, since it is smaller than the sum of its proper divisors (208742835).

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

163572045 is a wasteful number, since it uses less digits than its factorization.

163572045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 163572045 is about 12789.5287247029. The cubic root of 163572045 is about 546.8938350846.

The spelling of 163572045 in words is "one hundred sixty-three million, five hundred seventy-two thousand, forty-five".