15450051245 has 4 divisors (see below), whose sum is σ = 18540061500. Its totient is φ = 12360040992.

The previous prime is 15450051241. The next prime is 15450051283. The reversal of 15450051245 is 54215005451.

15450051245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5061753316 + 10388297929 = 71146^2 + 101923^2 .

It is a cyclic number.

It is not a de Polignac number, because 15450051245 - 2² = 15450051241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15450051241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1545005120 + ... + 1545005129.

It is an arithmetic number, because the mean of its divisors is an integer number (4635015375).

Almost surely, 2^15450051245 is an apocalyptic number.

It is an amenable number.

15450051245 is a deficient number, since it is larger than the sum of its proper divisors (3090010255).

15450051245 is an equidigital number, since it uses as much as digits as its factorization.

15450051245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090010254.

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 15450051245 its reverse (54215005451), we get a palindrome (69665056696).

The spelling of 15450051245 in words is "fifteen billion, four hundred fifty million, fifty-one thousand, two hundred forty-five".