145243445315 has 8 divisors (see below), whose sum is σ = 181870053408. Its totient is φ = 111142810240.

The previous prime is 145243445297. The next prime is 145243445317. The reversal of 145243445315 is 513544342541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-145243445315 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145243445317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631493126 + ... + 631493355.

It is an arithmetic number, because the mean of its divisors is an integer number (22733756676).

Almost surely, 2^145243445315 is an apocalyptic number.

145243445315 is a deficient number, since it is larger than the sum of its proper divisors (36626608093).

145243445315 is a wasteful number, since it uses less digits than its factorization.

145243445315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262986509.

The product of its digits is 576000, while the sum is 41.

Adding to 145243445315 its reverse (513544342541), we get a palindrome (658787787856).

The spelling of 145243445315 in words is "one hundred forty-five billion, two hundred forty-three million, four hundred forty-five thousand, three hundred fifteen".