145305251442303 has 16 divisors (see below), whose sum is σ = 198467734466400. Its totient is φ = 94506516241920.

The previous prime is 145305251442289. The next prime is 145305251442331. The reversal of 145305251442303 is 303244152503541.

It is not a de Polignac number, because 145305251442303 - 2²² = 145305247247999 is a prime.

It is a super-2 number, since 2×145305251442303² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145305251442353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6175593 + ... + 18131421.

It is an arithmetic number, because the mean of its divisors is an integer number (12404233404150).

Almost surely, 2^{145305251442303} is an apocalyptic number.

145305251442303 is a deficient number, since it is larger than the sum of its proper divisors (53162483024097).

145305251442303 is a wasteful number, since it uses less digits than its factorization.

145305251442303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12054682.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 145305251442303 in words is "one hundred forty-five trillion, three hundred five billion, two hundred fifty-one million, four hundred forty-two thousand, three hundred three".