45624890 has 16 divisors (see below), whose sum is σ = 86447520. Its totient is φ = 17289360.

The previous prime is 45624883. The next prime is 45624899. The reversal of 45624890 is 9842654.

45624890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (45624899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119876 + ... + 120255.

It is an arithmetic number, because the mean of its divisors is an integer number (5402970).

Almost surely, 2^45624890 is an apocalyptic number.

45624890 is a deficient number, since it is larger than the sum of its proper divisors (40822630).

45624890 is a wasteful number, since it uses less digits than its factorization.

45624890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240157.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 45624890 is about 6754.6199004829. The cubic root of 45624890 is about 357.3281877724.

The spelling of 45624890 in words is "forty-five million, six hundred twenty-four thousand, eight hundred ninety".