1142450452 has 48 divisors (see below), whose sum is σ = 2365876800. Its totient is φ = 475868160.

The previous prime is 1142450357. The next prime is 1142450467. The reversal of 1142450452 is 2540542411.

It is a self number, because there is not a number n which added to its sum of digits gives 1142450452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72324 + ... + 86692.

It is an arithmetic number, because the mean of its divisors is an integer number (49289100).

Almost surely, 2^1142450452 is an apocalyptic number.

It is an amenable number.

1142450452 is an abundant number, since it is smaller than the sum of its proper divisors (1223426348).

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

1142450452 is a wasteful number, since it uses less digits than its factorization.

1142450452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14536 (or 14534 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1142450452 is about 33800.1546150310. The cubic root of 1142450452 is about 1045.3918852545.

Adding to 1142450452 its reverse (2540542411), we get a palindrome (3682992863).

The spelling of 1142450452 in words is "one billion, one hundred forty-two million, four hundred fifty thousand, four hundred fifty-two".