45240001 has 2 divisors, whose sum is σ = 45240002. Its totient is φ = 45240000.

The previous prime is 45239983. The next prime is 45240031. The reversal of 45240001 is 10004254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24990001 + 20250000 = 4999^2 + 4500^2 .

It is a cyclic number.

It is not a de Polignac number, because 45240001 - 2¹⁷ = 45108929 is a prime.

It is not a weakly prime, because it can be changed into another prime (45240031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22620000 + 22620001.

It is an arithmetic number, because the mean of its divisors is an integer number (22620001).

Almost surely, 2^45240001 is an apocalyptic number.

It is an amenable number.

45240001 is a deficient number, since it is larger than the sum of its proper divisors (1).

45240001 is an equidigital number, since it uses as much as digits as its factorization.

45240001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 45240001 is about 6726.0687626577. The cubic root of 45240001 is about 356.3205488270.

Adding to 45240001 its reverse (10004254), we get a palindrome (55244255).

The spelling of 45240001 in words is "forty-five million, two hundred forty thousand, one".