145520144343 has 48 divisors (see below), whose sum is σ = 242593318656. Its totient is φ = 82334931840.

The previous prime is 145520144303. The next prime is 145520144359. The reversal of 145520144343 is 343441025541.

145520144343 is a `hidden beast` number, since 1 + 4 + 5 + 5 + 201 + 443 + 4 + 3 = 666.

It is not a de Polignac number, because 145520144343 - 2²⁴ = 145503367127 is a prime.

It is a super-2 number, since 2×145520144343² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145520144298 and 145520144307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145520144303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16989780 + ... + 16998342.

It is an arithmetic number, because the mean of its divisors is an integer number (5054027472).

Almost surely, 2^145520144343 is an apocalyptic number.

145520144343 is a deficient number, since it is larger than the sum of its proper divisors (97073174313).

145520144343 is a wasteful number, since it uses less digits than its factorization.

145520144343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11204 (or 11201 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 145520144343 its reverse (343441025541), we get a palindrome (488961169884).

The spelling of 145520144343 in words is "one hundred forty-five billion, five hundred twenty million, one hundred forty-four thousand, three hundred forty-three".