15330154225 has 9 divisors (see below), whose sum is σ = 19010158923. Its totient is φ = 12263628120.

The previous prime is 15330154223. The next prime is 15330154267. The reversal of 15330154225 is 52245103351.

The square root of 15330154225 is 123815.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5518855521 + 9811298704 = 74289^2 + 99052^2 .

It is not a de Polignac number, because 15330154225 - 2¹ = 15330154223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15330154223) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 606694 + ... + 631456.

Almost surely, 2^15330154225 is an apocalyptic number.

15330154225 is the 123815-th square number.

15330154225 is the 61908-th centered octagonal number.

It is an amenable number.

15330154225 is a deficient number, since it is larger than the sum of its proper divisors (3680004698).

15330154225 is an frugal number, since it uses more digits than its factorization.

15330154225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49536 (or 24768 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 15330154225 its reverse (52245103351), we get a palindrome (67575257576).

The spelling of 15330154225 in words is "fifteen billion, three hundred thirty million, one hundred fifty-four thousand, two hundred twenty-five".