145159551473 has 2 divisors, whose sum is σ = 145159551474. Its totient is φ = 145159551472.

The previous prime is 145159551461. The next prime is 145159551521. The reversal of 145159551473 is 374155951541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142844690704 + 2314860769 = 377948^2 + 48113^2 .

It is a cyclic number.

It is not a de Polignac number, because 145159551473 - 2⁶ = 145159551409 is a prime.

It is not a weakly prime, because it can be changed into another prime (145159551413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72579775736 + 72579775737.

It is an arithmetic number, because the mean of its divisors is an integer number (72579775737).

Almost surely, 2^145159551473 is an apocalyptic number.

It is an amenable number.

145159551473 is a deficient number, since it is larger than the sum of its proper divisors (1).

145159551473 is an equidigital number, since it uses as much as digits as its factorization.

145159551473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890000, while the sum is 50.

The spelling of 145159551473 in words is "one hundred forty-five billion, one hundred fifty-nine million, five hundred fifty-one thousand, four hundred seventy-three".