1142610240 has 112 divisors (see below), whose sum is σ = 3646627200. Its totient is φ = 303114240.

The previous prime is 1142610223. The next prime is 1142610241. The reversal of 1142610240 is 420162411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142610241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188050 + ... + 194030.

Almost surely, 2^1142610240 is an apocalyptic number.

1142610240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142610240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1823313600).

1142610240 is an abundant number, since it is smaller than the sum of its proper divisors (2504016960).

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

1142610240 is a wasteful number, since it uses less digits than its factorization.

1142610240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6200 (or 6190 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1142610240 is about 33802.5182493849. The cubic root of 1142610240 is about 1045.4406206406.

Adding to 1142610240 its reverse (420162411), we get a palindrome (1562772651).

The spelling of 1142610240 in words is "one billion, one hundred forty-two million, six hundred ten thousand, two hundred forty".