145323115045 has 4 divisors (see below), whose sum is σ = 174387738060. Its totient is φ = 116258492032.

The previous prime is 145323114991. The next prime is 145323115073. The reversal of 145323115045 is 540511323541.

145323115045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29482950436 + 115840164609 = 171706^2 + 340353^2 .

It is a cyclic number.

It is not a de Polignac number, because 145323115045 - 2¹³ = 145323106853 is a prime.

It is a super-2 number, since 2×145323115045² (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 145323115045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14532311500 + ... + 14532311509.

It is an arithmetic number, because the mean of its divisors is an integer number (43596934515).

Almost surely, 2^145323115045 is an apocalyptic number.

It is an amenable number.

145323115045 is a deficient number, since it is larger than the sum of its proper divisors (29064623015).

145323115045 is an equidigital number, since it uses as much as digits as its factorization.

145323115045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29064623014.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 145323115045 its reverse (540511323541), we get a palindrome (685834438586).

The spelling of 145323115045 in words is "one hundred forty-five billion, three hundred twenty-three million, one hundred fifteen thousand, forty-five".