45454545454 has 8 divisors (see below), whose sum is σ = 68182738848. Its totient is φ = 22726965840.

The previous prime is 45454545427. The next prime is 45454545457.

45454545454 is nontrivially palindromic in base 10.

45454545454 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×45454545454² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

45454545454 is an undulating number in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 45454545398 and 45454545407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45454545457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158674 + ... + 340714.

It is an arithmetic number, because the mean of its divisors is an integer number (8522842356).

Almost surely, 2^45454545454 is an apocalyptic number.

45454545454 is a deficient number, since it is larger than the sum of its proper divisors (22728193394).

45454545454 is a wasteful number, since it uses less digits than its factorization.

45454545454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306890.

The product of its digits is 12800000, while the sum is 49.

The spelling of 45454545454 in words is "forty-five billion, four hundred fifty-four million, five hundred forty-five thousand, four hundred fifty-four".