100405263145 has 8 divisors (see below), whose sum is σ = 131439617280. Its totient is φ = 73022009520.

The previous prime is 100405263107. The next prime is 100405263149. The reversal of 100405263145 is 541362504001.

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 100405263145 - 2²⁹ = 99868392233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100405263149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 912775065 + ... + 912775174.

It is an arithmetic number, because the mean of its divisors is an integer number (16429952160).

Almost surely, 2^100405263145 is an apocalyptic number.

It is an amenable number.

100405263145 is a deficient number, since it is larger than the sum of its proper divisors (31034354135).

100405263145 is a wasteful number, since it uses less digits than its factorization.

100405263145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825550255.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 100405263145 its reverse (541362504001), we get a palindrome (641767767146).

The spelling of 100405263145 in words is "one hundred billion, four hundred five million, two hundred sixty-three thousand, one hundred forty-five".