1545313432 has 16 divisors (see below), whose sum is σ = 3120344640. Its totient is φ = 713221536.

The previous prime is 1545313417. The next prime is 1545313439. The reversal of 1545313432 is 2343135451.

It is a junction number, because it is equal to n+sod(n) for n = 1545313394 and 1545313403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545313439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7429288 + ... + 7429495.

It is an arithmetic number, because the mean of its divisors is an integer number (195021540).

Almost surely, 2^1545313432 is an apocalyptic number.

It is an amenable number.

1545313432 is an abundant number, since it is smaller than the sum of its proper divisors (1575031208).

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

1545313432 is a wasteful number, since it uses less digits than its factorization.

1545313432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14858802 (or 14858798 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 1545313432 is about 39310.4748381395. The cubic root of 1545313432 is about 1156.1269541251.

Adding to 1545313432 its reverse (2343135451), we get a palindrome (3888448883).

The spelling of 1545313432 in words is "one billion, five hundred forty-five million, three hundred thirteen thousand, four hundred thirty-two".