45405122541 has 4 divisors (see below), whose sum is σ = 60540163392. Its totient is φ = 30270081692.

The previous prime is 45405122519. The next prime is 45405122557. The reversal of 45405122541 is 14522150454.

It is a happy number.

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 45405122541 - 2¹¹ = 45405120493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45405122561) 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, 7567520421 + ... + 7567520426.

It is an arithmetic number, because the mean of its divisors is an integer number (15135040848).

Almost surely, 2^45405122541 is an apocalyptic number.

It is an amenable number.

45405122541 is a deficient number, since it is larger than the sum of its proper divisors (15135040851).

45405122541 is a wasteful number, since it uses less digits than its factorization.

45405122541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15135040850.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 45405122541 its reverse (14522150454), we get a palindrome (59927272995).

The spelling of 45405122541 in words is "forty-five billion, four hundred five million, one hundred twenty-two thousand, five hundred forty-one".