207100045 has 8 divisors (see below), whose sum is σ = 249616224. Its totient is φ = 164949264.

The previous prime is 207100039. The next prime is 207100079. The reversal of 207100045 is 540001702.

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

It is a cyclic number.

It is not a de Polignac number, because 207100045 - 2¹³ = 207091853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 207099995 and 207100031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90099 + ... + 92368.

It is an arithmetic number, because the mean of its divisors is an integer number (31202028).

Almost surely, 2^207100045 is an apocalyptic number.

It is an amenable number.

207100045 is a deficient number, since it is larger than the sum of its proper divisors (42516179).

207100045 is a wasteful number, since it uses less digits than its factorization.

207100045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182699.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 207100045 is about 14390.9709540392. The cubic root of 207100045 is about 591.6434548411.

Adding to 207100045 its reverse (540001702), we get a palindrome (747101747).

The spelling of 207100045 in words is "two hundred seven million, one hundred thousand, forty-five".