145403345323311 has 8 divisors (see below), whose sum is σ = 193882741082160. Its totient is φ = 96929756556672.

The previous prime is 145403345323307. The next prime is 145403345323321. The reversal of 145403345323311 is 113323543304541.

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

It is not a de Polignac number, because 145403345323311 - 2² = 145403345323307 is a prime.

It is a super-2 number, since 2×145403345323311² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145403345323321) 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, 1451689626 + ... + 1451789783.

It is an arithmetic number, because the mean of its divisors is an integer number (24235342635270).

Almost surely, 2^{145403345323311} is an apocalyptic number.

145403345323311 is a deficient number, since it is larger than the sum of its proper divisors (48479395758849).

145403345323311 is a wasteful number, since it uses less digits than its factorization.

145403345323311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903496105.

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 145403345323311 its reverse (113323543304541), we get a palindrome (258726888627852).

The spelling of 145403345323311 in words is "one hundred forty-five trillion, four hundred three billion, three hundred forty-five million, three hundred twenty-three thousand, three hundred eleven".