201001031545 has 8 divisors (see below), whose sum is σ = 244254418560. Its totient is φ = 158765371440.

The previous prime is 201001031527. The next prime is 201001031557. The reversal of 201001031545 is 545130100102.

It is a happy number.

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

It is not a de Polignac number, because 201001031545 - 2¹⁵ = 201000998777 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, 254431291 + ... + 254432080.

It is an arithmetic number, because the mean of its divisors is an integer number (30531802320).

Almost surely, 2^201001031545 is an apocalyptic number.

It is an amenable number.

201001031545 is a deficient number, since it is larger than the sum of its proper divisors (43253387015).

201001031545 is an equidigital number, since it uses as much as digits as its factorization.

201001031545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508863455.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 201001031545 its reverse (545130100102), we get a palindrome (746131131647).

The spelling of 201001031545 in words is "two hundred one billion, one million, thirty-one thousand, five hundred forty-five".