145547730079 has 2 divisors, whose sum is σ = 145547730080. Its totient is φ = 145547730078.

The previous prime is 145547730073. The next prime is 145547730091. The reversal of 145547730079 is 970037745541.

It is a happy number.

145547730079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145547730079 is a prime.

It is a super-2 number, since 2×145547730079² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145547730073) 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 as a sum of consecutive naturals, namely, 72773865039 + 72773865040.

It is an arithmetic number, because the mean of its divisors is an integer number (72773865040).

Almost surely, 2^145547730079 is an apocalyptic number.

145547730079 is a deficient number, since it is larger than the sum of its proper divisors (1).

145547730079 is an equidigital number, since it uses as much as digits as its factorization.

145547730079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3704400, while the sum is 52.

The spelling of 145547730079 in words is "one hundred forty-five billion, five hundred forty-seven million, seven hundred thirty thousand, seventy-nine".