145362243665 has 16 divisors (see below), whose sum is σ = 178419068928. Its totient is φ = 113641127616.

The previous prime is 145362243629. The next prime is 145362243721. The reversal of 145362243665 is 566342263541.

It is a cyclic number.

It is not a de Polignac number, because 145362243665 - 2⁸ = 145362243409 is a prime.

It is a super-2 number, since 2×145362243665² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320177 + ... + 627086.

It is an arithmetic number, because the mean of its divisors is an integer number (11151191808).

Almost surely, 2^145362243665 is an apocalyptic number.

It is an amenable number.

145362243665 is a deficient number, since it is larger than the sum of its proper divisors (33056825263).

145362243665 is an equidigital number, since it uses as much as digits as its factorization.

145362243665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947968.

The product of its digits is 3110400, while the sum is 47.

The spelling of 145362243665 in words is "one hundred forty-five billion, three hundred sixty-two million, two hundred forty-three thousand, six hundred sixty-five".