1142548 has 24 divisors (see below), whose sum is σ = 2278080. Its totient is φ = 496320.

The previous prime is 1142539. The next prime is 1142549. The reversal of 1142548 is 8452411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448 + ... + 1576.

It is an arithmetic number, because the mean of its divisors is an integer number (94920).

2^1142548 is an apocalyptic number.

It is an amenable number.

1142548 is a deficient number, since it is larger than the sum of its proper divisors (1135532).

1142548 is a wasteful number, since it uses less digits than its factorization.

1142548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167 (or 1165 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 1142548 is about 1068.9003695387. The cubic root of 1142548 is about 104.5421637963.

Adding to 1142548 its product of digits (1280), we get a triangular number (1143828 = T₁₅₁₂).

Adding to 1142548 its reverse (8452411), we get a palindrome (9594959).

It can be divided in two parts, 114 and 2548, that added together give a palindrome (2662).

The spelling of 1142548 in words is "one million, one hundred forty-two thousand, five hundred forty-eight".