45220546 has 8 divisors (see below), whose sum is σ = 77520960. Its totient is φ = 19380228.

The previous prime is 45220543. The next prime is 45220573. The reversal of 45220546 is 64502254.

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

It is not an unprimeable number, because it can be changed into a prime (45220543) 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, 1615006 + ... + 1615033.

It is an arithmetic number, because the mean of its divisors is an integer number (9690120).

Almost surely, 2^45220546 is an apocalyptic number.

45220546 is a deficient number, since it is larger than the sum of its proper divisors (32300414).

45220546 is a wasteful number, since it uses less digits than its factorization.

45220546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230048.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 45220546 is about 6724.6223685795. The cubic root of 45220546 is about 356.2694641669.

The spelling of 45220546 in words is "forty-five million, two hundred twenty thousand, five hundred forty-six".