15040450045 has 16 divisors (see below), whose sum is σ = 18510488640. Its totient is φ = 11725084800.

The previous prime is 15040449943. The next prime is 15040450057. The reversal of 15040450045 is 54005404051.

It is not a de Polignac number, because 15040450045 - 2⁷ = 15040449917 is a prime.

It is a super-2 number, since 2×15040450045² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15040449995 and 15040450022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133390 + ... + 218800.

It is an arithmetic number, because the mean of its divisors is an integer number (1156905540).

Almost surely, 2^15040450045 is an apocalyptic number.

It is an amenable number.

15040450045 is a deficient number, since it is larger than the sum of its proper divisors (3470038595).

15040450045 is an equidigital number, since it uses as much as digits as its factorization.

15040450045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86316.

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 15040450045 its reverse (54005404051), we get a palindrome (69045854096).

The spelling of 15040450045 in words is "fifteen billion, forty million, four hundred fifty thousand, forty-five".