145520541410233 has 4 divisors (see below), whose sum is σ = 158749681538448. Its totient is φ = 132291401282020.

The previous prime is 145520541410201. The next prime is 145520541410269. The reversal of 145520541410233 is 332014145025541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145520541410233 - 2⁵ = 145520541410201 is a prime.

It is a super-2 number, since 2×145520541410233² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (145520541417233) 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, 6614570064091 + ... + 6614570064112.

It is an arithmetic number, because the mean of its divisors is an integer number (39687420384612).

Almost surely, 2^{145520541410233} is an apocalyptic number.

It is an amenable number.

145520541410233 is a deficient number, since it is larger than the sum of its proper divisors (13229140128215).

145520541410233 is a wasteful number, since it uses less digits than its factorization.

145520541410233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13229140128214.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 145520541410233 its reverse (332014145025541), we get a palindrome (477534686435774).

The spelling of 145520541410233 in words is "one hundred forty-five trillion, five hundred twenty billion, five hundred forty-one million, four hundred ten thousand, two hundred thirty-three".