145321500315 has 16 divisors (see below), whose sum is σ = 232524262656. Its totient is φ = 77501512800.

The previous prime is 145321500307. The next prime is 145321500349. The reversal of 145321500315 is 513005123541.

It is not a de Polignac number, because 145321500315 - 2³ = 145321500307 is a prime.

It is a super-2 number, since 2×145321500315² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183760 + ... + 569570.

It is an arithmetic number, because the mean of its divisors is an integer number (14532766416).

Almost surely, 2^145321500315 is an apocalyptic number.

145321500315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145321500315 is a deficient number, since it is larger than the sum of its proper divisors (87202762341).

145321500315 is a wasteful number, since it uses less digits than its factorization.

145321500315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410930.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 145321500315 its reverse (513005123541), we get a palindrome (658326623856).

The spelling of 145321500315 in words is "one hundred forty-five billion, three hundred twenty-one million, five hundred thousand, three hundred fifteen".