145556413 has 4 divisors (see below), whose sum is σ = 145623328. Its totient is φ = 145489500.

The previous prime is 145556393. The next prime is 145556417. The reversal of 145556413 is 314655541.

145556413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 314655541 = 53 ⋅5936897.

It is a cyclic number.

It is not a de Polignac number, because 145556413 - 2⁵ = 145556381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145556417) 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, 30081 + ... + 34582.

It is an arithmetic number, because the mean of its divisors is an integer number (36405832).

Almost surely, 2^145556413 is an apocalyptic number.

It is an amenable number.

145556413 is a deficient number, since it is larger than the sum of its proper divisors (66915).

145556413 is an equidigital number, since it uses as much as digits as its factorization.

145556413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66914.

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

The square root of 145556413 is about 12064.6762492824. The cubic root of 145556413 is about 526.0299213848.

The spelling of 145556413 in words is "one hundred forty-five million, five hundred fifty-six thousand, four hundred thirteen".