145620086377 has 2 divisors, whose sum is σ = 145620086378. Its totient is φ = 145620086376.

The previous prime is 145620086357. The next prime is 145620086431. The reversal of 145620086377 is 773680026541.

145620086377 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 can be written as a sum of positive squares in only one way, i.e., 87447952656 + 58172133721 = 295716^2 + 241189^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145620086377 is a prime.

It is a super-2 number, since 2×145620086377² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145620086377.

It is not a weakly prime, because it can be changed into another prime (145620086357) 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, 72810043188 + 72810043189.

It is an arithmetic number, because the mean of its divisors is an integer number (72810043189).

Almost surely, 2^145620086377 is an apocalyptic number.

It is an amenable number.

145620086377 is a deficient number, since it is larger than the sum of its proper divisors (1).

145620086377 is an equidigital number, since it uses as much as digits as its factorization.

145620086377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 145620086377 in words is "one hundred forty-five billion, six hundred twenty million, eighty-six thousand, three hundred seventy-seven".