1545331332 has 24 divisors (see below), whose sum is σ = 3795551200. Its totient is φ = 487999296.

The previous prime is 1545331303. The next prime is 1545331391. The reversal of 1545331332 is 2331335451.

It is a self number, because there is not a number n which added to its sum of digits gives 1545331332.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3388657 + ... + 3389112.

Almost surely, 2^1545331332 is an apocalyptic number.

1545331332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1545331332 is an abundant number, since it is smaller than the sum of its proper divisors (2250219868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1545331332 is a wasteful number, since it uses less digits than its factorization.

1545331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6777795 (or 6777793 counting only the distinct ones).

The product of its digits is 16200, while the sum is 30.

The square root of 1545331332 is about 39310.7025121658. The cubic root of 1545331332 is about 1156.1314180722.

Adding to 1545331332 its reverse (2331335451), we get a palindrome (3876666783).

The spelling of 1545331332 in words is "one billion, five hundred forty-five million, three hundred thirty-one thousand, three hundred thirty-two".