1522146465009 has 9 divisors (see below), whose sum is σ = 2198661351289. Its totient is φ = 1014761842500.

The previous prime is 1522146464999. The next prime is 1522146465029. The reversal of 1522146465009 is 9005646412251.

The square root of 1522146465009 is 1233753.

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

1522146465009 is a `hidden beast` number, since 1 + 522 + 1 + 4 + 64 + 65 + 0 + 0 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1522146465009 - 2⁹ = 1522146464497 is a prime.

It is a super-2 number, since 2×1522146465009² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1522146465029) 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, 3495634 + ... + 3906884.

Almost surely, 2^{1522146465009} is an apocalyptic number.

1522146465009 is the 1233753-rd square number.

1522146465009 is the 616877-th centered octagonal number.

It is an amenable number.

1522146465009 is a deficient number, since it is larger than the sum of its proper divisors (676514886280).

1522146465009 is an frugal number, since it uses more digits than its factorization.

1522146465009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822508 (or 411254 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 1522146465009 in words is "one trillion, five hundred twenty-two billion, one hundred forty-six million, four hundred sixty-five thousand, nine".