45630554 has 8 divisors (see below), whose sum is σ = 68570388. Its totient is φ = 22773760.

The previous prime is 45630553. The next prime is 45630569. The reversal of 45630554 is 45503654.

It can be written as a sum of positive squares in 2 ways, for example, as 45630025 + 529 = 6755^2 + 23^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45630554.

It is not an unprimeable number, because it can be changed into a prime (45630553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19367 + ... + 21594.

Almost surely, 2^45630554 is an apocalyptic number.

45630554 is a deficient number, since it is larger than the sum of its proper divisors (22939834).

45630554 is a wasteful number, since it uses less digits than its factorization.

45630554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41520.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 45630554 is about 6755.0391560671. The cubic root of 45630554 is about 357.3429737303.

The spelling of 45630554 in words is "forty-five million, six hundred thirty thousand, five hundred fifty-four".