1142350452 has 60 divisors (see below), whose sum is σ = 3143521920. Its totient is φ = 360740304.

The previous prime is 1142350441. The next prime is 1142350457. The reversal of 1142350452 is 2540532411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142350457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 86628 + ... + 98939.

It is an arithmetic number, because the mean of its divisors is an integer number (52392032).

Almost surely, 2^1142350452 is an apocalyptic number.

1142350452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142350452 is an abundant number, since it is smaller than the sum of its proper divisors (2001171468).

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

1142350452 is a wasteful number, since it uses less digits than its factorization.

1142350452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185602 (or 185591 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1142350452 is about 33798.6752994847. The cubic root of 1142350452 is about 1045.3613829138.

Adding to 1142350452 its reverse (2540532411), we get a palindrome (3682882863).

The spelling of 1142350452 in words is "one billion, one hundred forty-two million, three hundred fifty thousand, four hundred fifty-two".