145978519679 has 2 divisors, whose sum is σ = 145978519680. Its totient is φ = 145978519678.

The previous prime is 145978519669. The next prime is 145978519693. The reversal of 145978519679 is 976915879541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145978519679 - 2⁴ = 145978519663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145978519619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72989259839 + 72989259840.

It is an arithmetic number, because the mean of its divisors is an integer number (72989259840).

Almost surely, 2^145978519679 is an apocalyptic number.

145978519679 is a deficient number, since it is larger than the sum of its proper divisors (1).

145978519679 is an equidigital number, since it uses as much as digits as its factorization.

145978519679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 171460800, while the sum is 71.

The spelling of 145978519679 in words is "one hundred forty-five billion, nine hundred seventy-eight million, five hundred nineteen thousand, six hundred seventy-nine".