207019145 has 8 divisors (see below), whose sum is σ = 249117120. Its totient is φ = 165152560.

The previous prime is 207019129. The next prime is 207019199. The reversal of 207019145 is 541910702.

207019145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 207019145 - 2⁴ = 207019129 is a prime.

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, 55871 + ... + 59460.

It is an arithmetic number, because the mean of its divisors is an integer number (31139640).

Almost surely, 2^207019145 is an apocalyptic number.

It is an amenable number.

207019145 is a deficient number, since it is larger than the sum of its proper divisors (42097975).

207019145 is a wasteful number, since it uses less digits than its factorization.

207019145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115695.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 207019145 is about 14388.1598892979. The cubic root of 207019145 is about 591.5664064283.

Adding to 207019145 its reverse (541910702), we get a palindrome (748929847).

The spelling of 207019145 in words is "two hundred seven million, nineteen thousand, one hundred forty-five".