145343433665 has 16 divisors (see below), whose sum is σ = 187272673920. Its totient is φ = 107893712640.

The previous prime is 145343433649. The next prime is 145343433671. The reversal of 145343433665 is 566334343541.

It is not a de Polignac number, because 145343433665 - 2⁴ = 145343433649 is a prime.

It is a super-2 number, since 2×145343433665² (a number of 23 digits) contains 22 as substring.

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, 12035675 + ... + 12047744.

It is an arithmetic number, because the mean of its divisors is an integer number (11704542120).

Almost surely, 2^145343433665 is an apocalyptic number.

It is an amenable number.

145343433665 is a deficient number, since it is larger than the sum of its proper divisors (41929240255).

145343433665 is a wasteful number, since it uses less digits than its factorization.

145343433665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24083512.

The product of its digits is 4665600, while the sum is 47.

The spelling of 145343433665 in words is "one hundred forty-five billion, three hundred forty-three million, four hundred thirty-three thousand, six hundred sixty-five".