1545245330 has 16 divisors (see below), whose sum is σ = 2786142744. Its totient is φ = 617053440.

The previous prime is 1545245267. The next prime is 1545245333. The reversal of 1545245330 is 335425451.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1183979281 + 361266049 = 34409^2 + 19007^2 .

It is not an unprimeable number, because it can be changed into a prime (1545245333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124361 + ... + 136220.

Almost surely, 2^1545245330 is an apocalyptic number.

1545245330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1545245330 is a deficient number, since it is larger than the sum of its proper divisors (1240897414).

1545245330 is a wasteful number, since it uses less digits than its factorization.

1545245330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261181.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 1545245330 is about 39309.6086218115. The cubic root of 1545245330 is about 1156.1099703614.

The spelling of 1545245330 in words is "one billion, five hundred forty-five million, two hundred forty-five thousand, three hundred thirty".