204264132545 has 8 divisors (see below), whose sum is σ = 267400319040. Its totient is φ = 148555732720.

The previous prime is 204264132469. The next prime is 204264132581. The reversal of 204264132545 is 545231462402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-204264132545 is a prime.

It is a super-2 number, since 2×204264132545² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 204264132499 and 204264132508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1856946605 + ... + 1856946714.

It is an arithmetic number, because the mean of its divisors is an integer number (33425039880).

Almost surely, 2^204264132545 is an apocalyptic number.

It is an amenable number.

204264132545 is a deficient number, since it is larger than the sum of its proper divisors (63136186495).

204264132545 is a wasteful number, since it uses less digits than its factorization.

204264132545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713893335.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 204264132545 its reverse (545231462402), we get a palindrome (749495594947).

The spelling of 204264132545 in words is "two hundred four billion, two hundred sixty-four million, one hundred thirty-two thousand, five hundred forty-five".