145412223315 has 64 divisors (see below), whose sum is σ = 251720784000. Its totient is φ = 71406526464.

The previous prime is 145412223241. The next prime is 145412223391. The reversal of 145412223315 is 513322214541.

It is not a de Polignac number, because 145412223315 - 2⁸ = 145412223059 is a prime.

It is a super-2 number, since 2×145412223315² (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 63 ways as a sum of consecutive naturals, for example, 4701321 + ... + 4732149.

It is an arithmetic number, because the mean of its divisors is an integer number (3933137250).

Almost surely, 2^145412223315 is an apocalyptic number.

145412223315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145412223315 is a deficient number, since it is larger than the sum of its proper divisors (106308560685).

145412223315 is a wasteful number, since it uses less digits than its factorization.

145412223315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31256.

The product of its digits is 28800, while the sum is 33.

Adding to 145412223315 its reverse (513322214541), we get a palindrome (658734437856).

The spelling of 145412223315 in words is "one hundred forty-five billion, four hundred twelve million, two hundred twenty-three thousand, three hundred fifteen".