15212314045 has 8 divisors (see below), whose sum is σ = 18296938296. Its totient is φ = 12141743616.

The previous prime is 15212314043. The next prime is 15212314081. The reversal of 15212314045 is 54041321251.

It can be written as a sum of positive squares in 4 ways, for example, as 274830084 + 14937483961 = 16578^2 + 122219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15212314045 - 2¹ = 15212314043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15212314043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3511072 + ... + 3515401.

It is an arithmetic number, because the mean of its divisors is an integer number (2287117287).

Almost surely, 2^15212314045 is an apocalyptic number.

It is an amenable number.

15212314045 is a deficient number, since it is larger than the sum of its proper divisors (3084624251).

15212314045 is an equidigital number, since it uses as much as digits as its factorization.

15212314045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7026911.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 15212314045 its reverse (54041321251), we get a palindrome (69253635296).

The spelling of 15212314045 in words is "fifteen billion, two hundred twelve million, three hundred fourteen thousand, forty-five".