45454541 has 4 divisors (see below), whose sum is σ = 49586784. Its totient is φ = 41322300.

The previous prime is 45454531. The next prime is 45454543. The reversal of 45454541 is 14545454.

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 45454541 - 2⁶ = 45454477 is a prime.

It is a super-2 number, since 2×45454541² = 4132230595041362, which contains 22 as substring.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45454498 and 45454507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45454543) 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, 2066105 + ... + 2066126.

It is an arithmetic number, because the mean of its divisors is an integer number (12396696).

Almost surely, 2^45454541 is an apocalyptic number.

It is an amenable number.

45454541 is a deficient number, since it is larger than the sum of its proper divisors (4132243).

45454541 is a wasteful number, since it uses less digits than its factorization.

45454541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4132242.

The product of its digits is 32000, while the sum is 32.

The square root of 45454541 is about 6741.9982942745. The cubic root of 45454541 is about 356.8829160936.

Adding to 45454541 its reverse (14545454), we get a palindrome (59999995).

It can be divided in two parts, 4 and 5454541, that added together give a palindrome (5454545).

The spelling of 45454541 in words is "forty-five million, four hundred fifty-four thousand, five hundred forty-one".