45454538 has 8 divisors (see below), whose sum is σ = 68235588. Its totient is φ = 22709344.

The previous prime is 45454531. The next prime is 45454543. The reversal of 45454538 is 83545454.

45454538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29669809 + 15784729 = 5447^2 + 3973^2 .

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

It is a super-2 number, since 2×45454538² = 4132230049586888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45454531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5531 + ... + 11022.

Almost surely, 2^45454538 is an apocalyptic number.

45454538 is a deficient number, since it is larger than the sum of its proper divisors (22781050).

45454538 is a wasteful number, since it uses less digits than its factorization.

45454538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17928.

The product of its digits is 192000, while the sum is 38.

The square root of 45454538 is about 6741.9980717885. The cubic root of 45454538 is about 356.8829082422.

The spelling of 45454538 in words is "forty-five million, four hundred fifty-four thousand, five hundred thirty-eight".