45155340401 has 4 divisors (see below), whose sum is σ = 45173602212. Its totient is φ = 45137078592.

The previous prime is 45155340383. The next prime is 45155340407. The reversal of 45155340401 is 10404355154.

45155340401 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 an emirpimes, since its reverse is a distinct semiprime: 10404355154 = 2 ⋅5202177577.

It can be written as a sum of positive squares in 2 ways, for example, as 27085259776 + 18070080625 = 164576^2 + 134425^2 .

It is a cyclic number.

It is not a de Polignac number, because 45155340401 - 2²⁶ = 45088231537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45155340407) 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, 9127196 + ... + 9132141.

It is an arithmetic number, because the mean of its divisors is an integer number (11293400553).

Almost surely, 2^45155340401 is an apocalyptic number.

It is an amenable number.

45155340401 is a deficient number, since it is larger than the sum of its proper divisors (18261811).

45155340401 is a wasteful number, since it uses less digits than its factorization.

45155340401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18261810.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 45155340401 its reverse (10404355154), we get a palindrome (55559695555).

The spelling of 45155340401 in words is "forty-five billion, one hundred fifty-five million, three hundred forty thousand, four hundred one".