145342034305 has 16 divisors (see below), whose sum is σ = 188070941520. Its totient is φ = 107189895168.

The previous prime is 145342034297. The next prime is 145342034317. The reversal of 145342034305 is 503430243541.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 49113651456 + 96228382849 = 221616^2 + 310207^2 .

It is a cyclic number.

It is not a de Polignac number, because 145342034305 - 2³ = 145342034297 is a prime.

It is a super-2 number, since 2×145342034305² (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, 1403872 + ... + 1503841.

It is an arithmetic number, because the mean of its divisors is an integer number (11754433845).

Almost surely, 2^145342034305 is an apocalyptic number.

It is an amenable number.

145342034305 is a deficient number, since it is larger than the sum of its proper divisors (42728907215).

145342034305 is a wasteful number, since it uses less digits than its factorization.

145342034305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908500.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 145342034305 its reverse (503430243541), we get a palindrome (648772277846).

The spelling of 145342034305 in words is "one hundred forty-five billion, three hundred forty-two million, thirty-four thousand, three hundred five".