101432531645 has 8 divisors (see below), whose sum is σ = 125916246360. Its totient is φ = 78347886400.

The previous prime is 101432531617. The next prime is 101432531659. The reversal of 101432531645 is 546135234101.

It can be written as a sum of positive squares in 4 ways, for example, as 566582809 + 100865948836 = 23803^2 + 317594^2 .

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

It is not a de Polignac number, because 101432531645 - 2⁶ = 101432531581 is a prime.

It is a congruent number.

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, 349767206 + ... + 349767495.

It is an arithmetic number, because the mean of its divisors is an integer number (15739530795).

Almost surely, 2^101432531645 is an apocalyptic number.

It is an amenable number.

101432531645 is a deficient number, since it is larger than the sum of its proper divisors (24483714715).

101432531645 is an equidigital number, since it uses as much as digits as its factorization.

101432531645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699534735.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 101432531645 its reverse (546135234101), we get a palindrome (647567765746).

The spelling of 101432531645 in words is "one hundred one billion, four hundred thirty-two million, five hundred thirty-one thousand, six hundred forty-five".