145340065555 has 32 divisors (see below), whose sum is σ = 184105893888. Its totient is φ = 109930867200.

The previous prime is 145340065547. The next prime is 145340065621. The reversal of 145340065555 is 555560043541.

It is a happy number.

It is not a de Polignac number, because 145340065555 - 2³ = 145340065547 is a prime.

It is a super-2 number, since 2×145340065555² (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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, 3939595 + ... + 3976315.

It is an arithmetic number, because the mean of its divisors is an integer number (5753309184).

Almost surely, 2^145340065555 is an apocalyptic number.

145340065555 is a deficient number, since it is larger than the sum of its proper divisors (38765828333).

145340065555 is a wasteful number, since it uses less digits than its factorization.

145340065555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37147.

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 145340065555 in words is "one hundred forty-five billion, three hundred forty million, sixty-five thousand, five hundred fifty-five".