145253015415 has 24 divisors (see below), whose sum is σ = 252707869440. Its totient is φ = 77180282304.

The previous prime is 145253015387. The next prime is 145253015447. The reversal of 145253015415 is 514510352541.

145253015415 is a `hidden beast` number, since 1 + 452 + 53 + 0 + 154 + 1 + 5 = 666.

It is not a de Polignac number, because 145253015415 - 2²⁷ = 145118797687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145253015415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5987607 + ... + 6011816.

It is an arithmetic number, because the mean of its divisors is an integer number (10529494560).

Almost surely, 2^145253015415 is an apocalyptic number.

145253015415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145253015415 is a deficient number, since it is larger than the sum of its proper divisors (107454854025).

145253015415 is a wasteful number, since it uses less digits than its factorization.

145253015415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11999703 (or 11999700 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 145253015415 its reverse (514510352541), we get a palindrome (659763367956).

The spelling of 145253015415 in words is "one hundred forty-five billion, two hundred fifty-three million, fifteen thousand, four hundred fifteen".