115420213145 has 8 divisors (see below), whose sum is σ = 138506081280. Its totient is φ = 92334953520.

The previous prime is 115420213133. The next prime is 115420213169. The reversal of 115420213145 is 541312024511.

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 115420213145 - 2¹² = 115420209049 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642686 + ... + 802424.

It is an arithmetic number, because the mean of its divisors is an integer number (17313260160).

Almost surely, 2^115420213145 is an apocalyptic number.

It is an amenable number.

115420213145 is a deficient number, since it is larger than the sum of its proper divisors (23085868135).

115420213145 is a wasteful number, since it uses less digits than its factorization.

115420213145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304255.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 115420213145 its reverse (541312024511), we get a palindrome (656732237656).

The spelling of 115420213145 in words is "one hundred fifteen billion, four hundred twenty million, two hundred thirteen thousand, one hundred forty-five".