45001015 has 4 divisors (see below), whose sum is σ = 54001224. Its totient is φ = 36000808.

The previous prime is 45001013. The next prime is 45001031. The reversal of 45001015 is 51010054.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51010054 = 2 ⋅25505027.

It is a cyclic number.

It is not a de Polignac number, because 45001015 - 2¹ = 45001013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45001015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45001013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4500097 + ... + 4500106.

It is an arithmetic number, because the mean of its divisors is an integer number (13500306).

Almost surely, 2^45001015 is an apocalyptic number.

45001015 is a deficient number, since it is larger than the sum of its proper divisors (9000209).

45001015 is an equidigital number, since it uses as much as digits as its factorization.

45001015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9000208.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 45001015 is about 6708.2795857060. The cubic root of 45001015 is about 355.6920046857.

Adding to 45001015 its reverse (51010054), we get a palindrome (96011069).

The spelling of 45001015 in words is "forty-five million, one thousand, fifteen".