145665306335 has 16 divisors (see below), whose sum is σ = 175806300960. Its totient is φ = 115862060160.

The previous prime is 145665306331. The next prime is 145665306337. The reversal of 145665306335 is 533603566541.

It is not a de Polignac number, because 145665306335 - 2² = 145665306331 is a prime.

It is a super-2 number, since 2×145665306335² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145665306335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145665306331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550109 + ... + 770681.

It is an arithmetic number, because the mean of its divisors is an integer number (10987893810).

Almost surely, 2^145665306335 is an apocalyptic number.

145665306335 is a deficient number, since it is larger than the sum of its proper divisors (30140994625).

145665306335 is a wasteful number, since it uses less digits than its factorization.

145665306335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221338.

The product of its (nonzero) digits is 2916000, while the sum is 47.

The spelling of 145665306335 in words is "one hundred forty-five billion, six hundred sixty-five million, three hundred six thousand, three hundred thirty-five".