45055450 has 24 divisors (see below), whose sum is σ = 91422720. Its totient is φ = 16383600.

The previous prime is 45055429. The next prime is 45055481. The reversal of 45055450 is 5455054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40410 + ... + 41509.

It is an arithmetic number, because the mean of its divisors is an integer number (3809280).

Almost surely, 2^45055450 is an apocalyptic number.

45055450 is an abundant number, since it is smaller than the sum of its proper divisors (46367270).

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

45055450 is a wasteful number, since it uses less digits than its factorization.

45055450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81942 (or 81937 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 45055450 is about 6712.3356590683. The cubic root of 45055450 is about 355.8353665815.

The spelling of 45055450 in words is "forty-five million, fifty-five thousand, four hundred fifty".