145215351355 has 16 divisors (see below), whose sum is σ = 175100073984. Its totient is φ = 115612155360.

The previous prime is 145215351343. The next prime is 145215351439. The reversal of 145215351355 is 553153512541.

145215351355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145215351355 - 2²¹ = 145213254203 is a prime.

It is a super-2 number, since 2×145215351355² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1141474 + ... + 1262296.

It is an arithmetic number, because the mean of its divisors is an integer number (10943754624).

Almost surely, 2^145215351355 is an apocalyptic number.

145215351355 is a deficient number, since it is larger than the sum of its proper divisors (29884722629).

145215351355 is a wasteful number, since it uses less digits than its factorization.

145215351355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121986.

The product of its digits is 225000, while the sum is 40.

Adding to 145215351355 its reverse (553153512541), we get a palindrome (698368863896).

The spelling of 145215351355 in words is "one hundred forty-five billion, two hundred fifteen million, three hundred fifty-one thousand, three hundred fifty-five".