145224343015 has 4 divisors (see below), whose sum is σ = 174269211624. Its totient is φ = 116179474408.

The previous prime is 145224343013. The next prime is 145224343039. The reversal of 145224343015 is 510343422541.

145224343015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 510343422541 = 43 ⋅11868451687.

It is a cyclic number.

It is not a de Polignac number, because 145224343015 - 2¹ = 145224343013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145224343013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14522434297 + ... + 14522434306.

It is an arithmetic number, because the mean of its divisors is an integer number (43567302906).

Almost surely, 2^145224343015 is an apocalyptic number.

145224343015 is a deficient number, since it is larger than the sum of its proper divisors (29044868609).

145224343015 is an equidigital number, since it uses as much as digits as its factorization.

145224343015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29044868608.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 145224343015 its reverse (510343422541), we get a palindrome (655567765556).

The spelling of 145224343015 in words is "one hundred forty-five billion, two hundred twenty-four million, three hundred forty-three thousand, fifteen".