145344440312045 has 16 divisors (see below), whose sum is σ = 187830030245760. Its totient is φ = 107331112144704.

The previous prime is 145344440312041. The next prime is 145344440312179. The reversal of 145344440312045 is 540213044443541.

It is a cyclic number.

It is not a de Polignac number, because 145344440312045 - 2² = 145344440312041 is a prime.

It is a super-2 number, since 2×145344440312045² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145344440311987 and 145344440312005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145344440312041) 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, 54078866 + ... + 56702844.

It is an arithmetic number, because the mean of its divisors is an integer number (11739376890360).

Almost surely, 2^{145344440312045} is an apocalyptic number.

It is an amenable number.

145344440312045 is a deficient number, since it is larger than the sum of its proper divisors (42485589933715).

145344440312045 is a wasteful number, since it uses less digits than its factorization.

145344440312045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476164.

The product of its (nonzero) digits is 1843200, while the sum is 44.

Adding to 145344440312045 its reverse (540213044443541), we get a palindrome (685557484755586).

The spelling of 145344440312045 in words is "one hundred forty-five trillion, three hundred forty-four billion, four hundred forty million, three hundred twelve thousand, forty-five".