1325336145 has 32 divisors (see below), whose sum is σ = 2425420800. Its totient is φ = 605380800.

The previous prime is 1325336143. The next prime is 1325336161. The reversal of 1325336145 is 5416335231.

It is not a de Polignac number, because 1325336145 - 2¹ = 1325336143 is a prime.

It is a super-2 number, since 2×1325336145² = 3513031794486922050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1325336143) 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 31 ways as a sum of consecutive naturals, for example, 148006 + ... + 156704.

It is an arithmetic number, because the mean of its divisors is an integer number (75794400).

Almost surely, 2^1325336145 is an apocalyptic number.

1325336145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1325336145 is a deficient number, since it is larger than the sum of its proper divisors (1100084655).

1325336145 is a wasteful number, since it uses less digits than its factorization.

1325336145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10165.

The product of its digits is 32400, while the sum is 33.

The square root of 1325336145 is about 36405.1664602704. The cubic root of 1325336145 is about 1098.4374909313.

The spelling of 1325336145 in words is "one billion, three hundred twenty-five million, three hundred thirty-six thousand, one hundred forty-five".