45729795455 has 4 divisors (see below), whose sum is σ = 54875754552. Its totient is φ = 36583836360.

The previous prime is 45729795451. The next prime is 45729795457. The reversal of 45729795455 is 55459792754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55459792754 = 2 ⋅27729896377.

It is not a de Polignac number, because 45729795455 - 2² = 45729795451 is a prime.

It is a super-2 number, since 2×45729795455² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45729795451) 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, 4572979541 + ... + 4572979550.

It is an arithmetic number, because the mean of its divisors is an integer number (13718938638).

Almost surely, 2^45729795455 is an apocalyptic number.

45729795455 is a deficient number, since it is larger than the sum of its proper divisors (9145959097).

45729795455 is an equidigital number, since it uses as much as digits as its factorization.

45729795455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9145959096.

The product of its digits is 79380000, while the sum is 62.

The spelling of 45729795455 in words is "forty-five billion, seven hundred twenty-nine million, seven hundred ninety-five thousand, four hundred fifty-five".