145444510243 has 4 divisors (see below), whose sum is σ = 145454553328. Its totient is φ = 145434467160.

The previous prime is 145444510201. The next prime is 145444510249. The reversal of 145444510243 is 342015444541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342015444541 = 15061 ⋅22708681.

It is a cyclic number.

It is not a de Polignac number, because 145444510243 - 2²¹ = 145442413091 is a prime.

It is a super-2 number, since 2×145444510243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145444510249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4999788 + ... + 5028793.

It is an arithmetic number, because the mean of its divisors is an integer number (36363638332).

Almost surely, 2^145444510243 is an apocalyptic number.

145444510243 is a deficient number, since it is larger than the sum of its proper divisors (10043085).

145444510243 is a wasteful number, since it uses less digits than its factorization.

145444510243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10043084.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 145444510243 its reverse (342015444541), we get a palindrome (487459954784).

The spelling of 145444510243 in words is "one hundred forty-five billion, four hundred forty-four million, five hundred ten thousand, two hundred forty-three".