164545542 has 48 divisors (see below), whose sum is σ = 425168640. Its totient is φ = 44968176.

The previous prime is 164545531. The next prime is 164545547. The reversal of 164545542 is 245545461.

164545542 is a `hidden beast` number, since 1 + 64 + 54 + 5 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 164545497 and 164545506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164545547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25492 + ... + 31287.

It is an arithmetic number, because the mean of its divisors is an integer number (8857680).

Almost surely, 2^164545542 is an apocalyptic number.

164545542 is an abundant number, since it is smaller than the sum of its proper divisors (260623098).

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

164545542 is a wasteful number, since it uses less digits than its factorization.

164545542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56817 (or 56814 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 164545542 is about 12827.5306275214. The cubic root of 164545542 is about 547.9766337916.

The spelling of 164545542 in words is "one hundred sixty-four million, five hundred forty-five thousand, five hundred forty-two".