145424414665 has 8 divisors (see below), whose sum is σ = 174995398080. Its totient is φ = 116015464752.

The previous prime is 145424414657. The next prime is 145424414671. The reversal of 145424414665 is 566414424541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145424414665 - 2³ = 145424414657 is a prime.

It is a super-2 number, since 2×145424414665² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40506399 + ... + 40509988.

It is an arithmetic number, because the mean of its divisors is an integer number (21874424760).

Almost surely, 2^145424414665 is an apocalyptic number.

It is an amenable number.

145424414665 is a deficient number, since it is larger than the sum of its proper divisors (29570983415).

145424414665 is an equidigital number, since it uses as much as digits as its factorization.

145424414665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81016751.

The product of its digits is 1843200, while the sum is 46.

The spelling of 145424414665 in words is "one hundred forty-five billion, four hundred twenty-four million, four hundred fourteen thousand, six hundred sixty-five".