431545515145 has 16 divisors (see below), whose sum is σ = 519582120192. Its totient is φ = 344085056640.

The previous prime is 431545515143. The next prime is 431545515161. The reversal of 431545515145 is 541515545134.

It is not a de Polignac number, because 431545515145 - 2¹ = 431545515143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431545515143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14682234 + ... + 14711596.

It is an arithmetic number, because the mean of its divisors is an integer number (32473882512).

Almost surely, 2^431545515145 is an apocalyptic number.

It is an amenable number.

431545515145 is a deficient number, since it is larger than the sum of its proper divisors (88036605047).

431545515145 is a wasteful number, since it uses less digits than its factorization.

431545515145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39072.

The product of its digits is 600000, while the sum is 43.

The spelling of 431545515145 in words is "four hundred thirty-one billion, five hundred forty-five million, five hundred fifteen thousand, one hundred forty-five".