45667890 has 24 divisors (see below), whose sum is σ = 118736748. Its totient is φ = 12178080.

The previous prime is 45667889. The next prime is 45667931. The reversal of 45667890 is 9876654.

45667890 is a `hidden beast` number, since 4 + 566 + 7 + 89 + 0 = 666.

45667890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42107121 + 3560769 = 6489^2 + 1887^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 253621 + ... + 253800.

Almost surely, 2^45667890 is an apocalyptic number.

45667890 is an abundant number, since it is smaller than the sum of its proper divisors (73068858).

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

45667890 is a wasteful number, since it uses less digits than its factorization.

45667890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507434 (or 507431 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 45667890 is about 6757.8021575065. The cubic root of 45667890 is about 357.4404093220.

The spelling of 45667890 in words is "forty-five million, six hundred sixty-seven thousand, eight hundred ninety".