101245143636 has 144 divisors (see below), whose sum is σ = 316149969408. Its totient is φ = 26603251200.

The previous prime is 101245143619. The next prime is 101245143647. The reversal of 101245143636 is 636341542101.

101245143636 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 4 + 5 + 14 + 3 + 636 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 101245143636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 830776 + ... + 944816.

Almost surely, 2^101245143636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101245143636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158074984704).

101245143636 is an abundant number, since it is smaller than the sum of its proper divisors (214904825772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101245143636 is a wasteful number, since it uses less digits than its factorization.

101245143636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114342 (or 114337 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 101245143636 its reverse (636341542101), we get a palindrome (737586685737).

The spelling of 101245143636 in words is "one hundred one billion, two hundred forty-five million, one hundred forty-three thousand, six hundred thirty-six".