45678901 has 2 divisors, whose sum is σ = 45678902. Its totient is φ = 45678900.

The previous prime is 45678887. The next prime is 45678917. The reversal of 45678901 is 10987654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37527876 + 8151025 = 6126^2 + 2855^2 .

It is a cyclic number.

It is not a de Polignac number, because 45678901 - 2¹¹ = 45676853 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45678701) 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 as a sum of consecutive naturals, namely, 22839450 + 22839451.

It is an arithmetic number, because the mean of its divisors is an integer number (22839451).

Almost surely, 2^45678901 is an apocalyptic number.

It is an amenable number.

45678901 is a deficient number, since it is larger than the sum of its proper divisors (1).

45678901 is an equidigital number, since it uses as much as digits as its factorization.

45678901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 45678901 is about 6758.6167963571. The cubic root of 45678901 is about 357.4691345384.

The spelling of 45678901 in words is "forty-five million, six hundred seventy-eight thousand, nine hundred one".