1545132556 has 12 divisors (see below), whose sum is σ = 2949798600. Its totient is φ = 702332960.

The previous prime is 1545132553. The next prime is 1545132559. The reversal of 1545132556 is 6552315451.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1545132553) and next prime (1545132559).

It is a super-2 number, since 2×1545132556² = 4774869231222186272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1545132551) 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 3 ways as a sum of consecutive naturals, for example, 17558281 + ... + 17558368.

It is an arithmetic number, because the mean of its divisors is an integer number (245816550).

Almost surely, 2^1545132556 is an apocalyptic number.

It is an amenable number.

1545132556 is a deficient number, since it is larger than the sum of its proper divisors (1404666044).

1545132556 is a wasteful number, since it uses less digits than its factorization.

1545132556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35116664 (or 35116662 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

The square root of 1545132556 is about 39308.1741626344. The cubic root of 1545132556 is about 1156.0818448775.

The spelling of 1545132556 in words is "one billion, five hundred forty-five million, one hundred thirty-two thousand, five hundred fifty-six".