145215394783 has 2 divisors, whose sum is σ = 145215394784. Its totient is φ = 145215394782.

The previous prime is 145215394781. The next prime is 145215394853. The reversal of 145215394783 is 387493512541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145215394783 - 2¹ = 145215394781 is a prime.

Together with 145215394781, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 145215394783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145215394781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72607697391 + 72607697392.

It is an arithmetic number, because the mean of its divisors is an integer number (72607697392).

Almost surely, 2^145215394783 is an apocalyptic number.

145215394783 is a deficient number, since it is larger than the sum of its proper divisors (1).

145215394783 is an equidigital number, since it uses as much as digits as its factorization.

145215394783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 52.

The spelling of 145215394783 in words is "one hundred forty-five billion, two hundred fifteen million, three hundred ninety-four thousand, seven hundred eighty-three".