145165936643 has 16 divisors (see below), whose sum is σ = 179432600256. Its totient is φ = 114363601920.

The previous prime is 145165936627. The next prime is 145165936711. The reversal of 145165936643 is 346639561541.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 145165936643 - 2⁴ = 145165936627 is a prime.

It is a super-2 number, since 2×145165936643² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145165936613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3402038 + ... + 3444443.

It is an arithmetic number, because the mean of its divisors is an integer number (11214537516).

Almost surely, 2^145165936643 is an apocalyptic number.

145165936643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145165936643 is a deficient number, since it is larger than the sum of its proper divisors (34266663613).

145165936643 is a wasteful number, since it uses less digits than its factorization.

145165936643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846734.

The product of its digits is 6998400, while the sum is 53.

The spelling of 145165936643 in words is "one hundred forty-five billion, one hundred sixty-five million, nine hundred thirty-six thousand, six hundred forty-three".