145135350169 has 4 divisors (see below), whose sum is σ = 145887346996. Its totient is φ = 144383353344.

The previous prime is 145135350167. The next prime is 145135350187. The reversal of 145135350169 is 961053531541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37012757769 + 108122592400 = 192387^2 + 328820^2 .

It is a cyclic number.

It is not a de Polignac number, because 145135350169 - 2¹ = 145135350167 is a prime.

It is a super-2 number, since 2×145135350169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145135350161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375998124 + ... + 375998509.

It is an arithmetic number, because the mean of its divisors is an integer number (36471836749).

Almost surely, 2^145135350169 is an apocalyptic number.

It is an amenable number.

145135350169 is a deficient number, since it is larger than the sum of its proper divisors (751996827).

145135350169 is an equidigital number, since it uses as much as digits as its factorization.

145135350169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751996826.

The product of its (nonzero) digits is 243000, while the sum is 43.

The spelling of 145135350169 in words is "one hundred forty-five billion, one hundred thirty-five million, three hundred fifty thousand, one hundred sixty-nine".