145320213415 has 64 divisors (see below), whose sum is σ = 200921011200. Its totient is φ = 100007322624.

The previous prime is 145320213391. The next prime is 145320213431. The reversal of 145320213415 is 514312023541.

It is not a de Polignac number, because 145320213415 - 2²⁷ = 145185995687 is a prime.

It is a super-2 number, since 2×145320213415² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37773022 + ... + 37776868.

It is an arithmetic number, because the mean of its divisors is an integer number (3139390800).

Almost surely, 2^145320213415 is an apocalyptic number.

145320213415 is a deficient number, since it is larger than the sum of its proper divisors (55600797785).

145320213415 is a wasteful number, since it uses less digits than its factorization.

145320213415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376.

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

Adding to 145320213415 its reverse (514312023541), we get a palindrome (659632236956).

The spelling of 145320213415 in words is "one hundred forty-five billion, three hundred twenty million, two hundred thirteen thousand, four hundred fifteen".