45534040 has 32 divisors (see below), whose sum is σ = 105759360. Its totient is φ = 17625600.

The previous prime is 45534029. The next prime is 45534059. The reversal of 45534040 is 4043554.

It is a junction number, because it is equal to n+sod(n) for n = 45533996 and 45534014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17121 + ... + 19600.

It is an arithmetic number, because the mean of its divisors is an integer number (3304980).

Almost surely, 2^45534040 is an apocalyptic number.

45534040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45534040 is an abundant number, since it is smaller than the sum of its proper divisors (60225320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45534040 is a wasteful number, since it uses less digits than its factorization.

45534040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36763 (or 36759 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 45534040 is about 6747.8915225424. The cubic root of 45534040 is about 357.0908550571.

Adding to 45534040 its reverse (4043554), we get a palindrome (49577594).

The spelling of 45534040 in words is "forty-five million, five hundred thirty-four thousand, forty".