145533212415 has 72 divisors (see below), whose sum is σ = 262054258128. Its totient is φ = 74712314880.

The previous prime is 145533212411. The next prime is 145533212423. The reversal of 145533212415 is 514212335541.

145533212415 is a `hidden beast` number, since 1 + 45 + 53 + 321 + 241 + 5 = 666.

It is not a de Polignac number, because 145533212415 - 2² = 145533212411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145533212415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145533212411) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12748060 + ... + 12759470.

It is an arithmetic number, because the mean of its divisors is an integer number (3639642474).

Almost surely, 2^145533212415 is an apocalyptic number.

145533212415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145533212415 is a deficient number, since it is larger than the sum of its proper divisors (116521045713).

145533212415 is a wasteful number, since it uses less digits than its factorization.

145533212415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11817 (or 11785 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 145533212415 its reverse (514212335541), we get a palindrome (659745547956).

The spelling of 145533212415 in words is "one hundred forty-five billion, five hundred thirty-three million, two hundred twelve thousand, four hundred fifteen".