1545325533 has 10 divisors (see below), whose sum is σ = 2308449374. Its totient is φ = 1030216968.

The previous prime is 1545325531. The next prime is 1545325543. The reversal of 1545325533 is 3355235451.

1545325533 is a `hidden beast` number, since 1 + 54 + 53 + 2 + 553 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 982070244 + 563255289 = 31338^2 + 23733^2 .

It is not a de Polignac number, because 1545325533 - 2¹ = 1545325531 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 (1545325531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9538966 + ... + 9539127.

Almost surely, 2^1545325533 is an apocalyptic number.

It is an amenable number.

1545325533 is a deficient number, since it is larger than the sum of its proper divisors (763123841).

1545325533 is an equidigital number, since it uses as much as digits as its factorization.

1545325533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19078105 (or 19078096 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The square root of 1545325533 is about 39310.6287535572. The cubic root of 1545325533 is about 1156.1299719067.

The spelling of 1545325533 in words is "one billion, five hundred forty-five million, three hundred twenty-five thousand, five hundred thirty-three".