201439535145 has 8 divisors (see below), whose sum is σ = 322303256256. Its totient is φ = 107434418736.

The previous prime is 201439535071. The next prime is 201439535173. The reversal of 201439535145 is 541535934102.

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

It is not a de Polignac number, because 201439535145 - 2¹² = 201439531049 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 201439535097 and 201439535106.

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, 6714651157 + ... + 6714651186.

It is an arithmetic number, because the mean of its divisors is an integer number (40287907032).

Almost surely, 2^201439535145 is an apocalyptic number.

It is an amenable number.

201439535145 is a deficient number, since it is larger than the sum of its proper divisors (120863721111).

201439535145 is a wasteful number, since it uses less digits than its factorization.

201439535145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13429302351.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 201439535145 in words is "two hundred one billion, four hundred thirty-nine million, five hundred thirty-five thousand, one hundred forty-five".