145215351345 has 16 divisors (see below), whose sum is σ = 232509496320. Its totient is φ = 77393209344.

The previous prime is 145215351343. The next prime is 145215351439. The reversal of 145215351345 is 543153512541.

It is not a de Polignac number, because 145215351345 - 2¹ = 145215351343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145215351343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3414289 + ... + 3456558.

It is an arithmetic number, because the mean of its divisors is an integer number (14531843520).

Almost surely, 2^145215351345 is an apocalyptic number.

145215351345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145215351345 is a deficient number, since it is larger than the sum of its proper divisors (87294144975).

145215351345 is a wasteful number, since it uses less digits than its factorization.

145215351345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6872264.

The product of its digits is 180000, while the sum is 39.

Adding to 145215351345 its reverse (543153512541), we get a palindrome (688368863886).

The spelling of 145215351345 in words is "one hundred forty-five billion, two hundred fifteen million, three hundred fifty-one thousand, three hundred forty-five".