1545342448 has 20 divisors (see below), whose sum is σ = 3224416888. Its totient is φ = 713234880.

The previous prime is 1545342437. The next prime is 1545342457. The reversal of 1545342448 is 8442435451.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1545342448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3714558 + ... + 3714973.

Almost surely, 2^1545342448 is an apocalyptic number.

It is an amenable number.

1545342448 is an abundant number, since it is smaller than the sum of its proper divisors (1679074440).

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

1545342448 is a wasteful number, since it uses less digits than its factorization.

1545342448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7429552 (or 7429546 counting only the distinct ones).

The product of its digits is 307200, while the sum is 40.

The square root of 1545342448 is about 39310.8438983444. The cubic root of 1545342448 is about 1156.1341901910.

Adding to 1545342448 its reverse (8442435451), we get a palindrome (9987777899).

The spelling of 1545342448 in words is "one billion, five hundred forty-five million, three hundred forty-two thousand, four hundred forty-eight".