145323822215 has 32 divisors (see below), whose sum is σ = 207178171200. Its totient is φ = 96463825920.

The previous prime is 145323822211. The next prime is 145323822221. The reversal of 145323822215 is 512228323541.

It is not a de Polignac number, because 145323822215 - 2² = 145323822211 is a prime.

It is a super-2 number, since 2×145323822215² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145323822211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1078220 + ... + 1205489.

It is an arithmetic number, because the mean of its divisors is an integer number (6474317850).

Almost surely, 2^145323822215 is an apocalyptic number.

145323822215 is a deficient number, since it is larger than the sum of its proper divisors (61854348985).

145323822215 is a wasteful number, since it uses less digits than its factorization.

145323822215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283827.

The product of its digits is 115200, while the sum is 38.

The spelling of 145323822215 in words is "one hundred forty-five billion, three hundred twenty-three million, eight hundred twenty-two thousand, two hundred fifteen".