145435522565 has 32 divisors (see below), whose sum is σ = 180417785856. Its totient is φ = 112478284800.

The previous prime is 145435522559. The next prime is 145435522619. The reversal of 145435522565 is 565225534541.

It is not a de Polignac number, because 145435522565 - 2⁴ = 145435522549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11816915 + ... + 11829215.

It is an arithmetic number, because the mean of its divisors is an integer number (5638055808).

Almost surely, 2^145435522565 is an apocalyptic number.

It is an amenable number.

145435522565 is a deficient number, since it is larger than the sum of its proper divisors (34982263291).

145435522565 is a wasteful number, since it uses less digits than its factorization.

145435522565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12909.

The product of its digits is 3600000, while the sum is 47.

The spelling of 145435522565 in words is "one hundred forty-five billion, four hundred thirty-five million, five hundred twenty-two thousand, five hundred sixty-five".