1142357502 has 128 divisors (see below), whose sum is σ = 2868203520. Its totient is φ = 298368000.

The previous prime is 1142357497. The next prime is 1142357519. The reversal of 1142357502 is 2057532411.

It is a self number, because there is not a number n which added to its sum of digits gives 1142357502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 770602 + ... + 772082.

It is an arithmetic number, because the mean of its divisors is an integer number (22407840).

Almost surely, 2^1142357502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142357502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434101760).

1142357502 is an abundant number, since it is smaller than the sum of its proper divisors (1725846018).

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

1142357502 is a wasteful number, since it uses less digits than its factorization.

1142357502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1142357502 is about 33798.7795933522. The cubic root of 1142357502 is about 1045.3635333871.

Adding to 1142357502 its reverse (2057532411), we get a palindrome (3199889913).

The spelling of 1142357502 in words is "one billion, one hundred forty-two million, three hundred fifty-seven thousand, five hundred two".