45809801 has 2 divisors, whose sum is σ = 45809802. Its totient is φ = 45809800.

The previous prime is 45809791. The next prime is 45809837. The reversal of 45809801 is 10890854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45630025 + 179776 = 6755^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 45809801 - 2¹⁸ = 45547657 is a prime.

It is not a weakly prime, because it can be changed into another prime (45809851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22904900 + 22904901.

It is an arithmetic number, because the mean of its divisors is an integer number (22904901).

Almost surely, 2^45809801 is an apocalyptic number.

It is an amenable number.

45809801 is a deficient number, since it is larger than the sum of its proper divisors (1).

45809801 is an equidigital number, since it uses as much as digits as its factorization.

45809801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 45809801 is about 6768.2938027246. The cubic root of 45809801 is about 357.8102700331.

The spelling of 45809801 in words is "forty-five million, eight hundred nine thousand, eight hundred one".