145535410123 has 4 divisors (see below), whose sum is σ = 145758282768. Its totient is φ = 145312537480.

The previous prime is 145535410087. The next prime is 145535410127. The reversal of 145535410123 is 321014535541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145535410123 - 2²⁹ = 144998539211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145535410127) 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, 111435343 + ... + 111436648.

It is an arithmetic number, because the mean of its divisors is an integer number (36439570692).

Almost surely, 2^145535410123 is an apocalyptic number.

145535410123 is a deficient number, since it is larger than the sum of its proper divisors (222872645).

145535410123 is an equidigital number, since it uses as much as digits as its factorization.

145535410123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222872644.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 145535410123 its reverse (321014535541), we get a palindrome (466549945664).

The spelling of 145535410123 in words is "one hundred forty-five billion, five hundred thirty-five million, four hundred ten thousand, one hundred twenty-three".