207145471 has 8 divisors (see below), whose sum is σ = 223589520. Its totient is φ = 190774272.

The previous prime is 207145409. The next prime is 207145481. The reversal of 207145471 is 174541702.

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

It is not a de Polignac number, because 207145471 - 2¹³ = 207137279 is a prime.

It is a super-3 number, since 3×207145471³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207145481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12226 + ... + 23743.

It is an arithmetic number, because the mean of its divisors is an integer number (27948690).

Almost surely, 2^207145471 is an apocalyptic number.

207145471 is a deficient number, since it is larger than the sum of its proper divisors (16444049).

207145471 is a wasteful number, since it uses less digits than its factorization.

207145471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36425.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 207145471 is about 14392.5491487783. The cubic root of 207145471 is about 591.6867093477.

The spelling of 207145471 in words is "two hundred seven million, one hundred forty-five thousand, four hundred seventy-one".