1142525250 has 112 divisors (see below), whose sum is σ = 3207255480. Its totient is φ = 304624800.

The previous prime is 1142525249. The next prime is 1142525261. The reversal of 1142525250 is 525252411.

1142525250 is a `hidden beast` number, since 114 + 2 + 525 + 25 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 242705241 + 899820009 = 15579^2 + 29997^2 .

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

It is a Curzon number.

It is an unprimeable number.

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 55 ways as a sum of consecutive naturals, for example, 179116 + ... + 185384.

Almost surely, 2^1142525250 is an apocalyptic number.

1142525250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142525250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1603627740).

1142525250 is an abundant number, since it is smaller than the sum of its proper divisors (2064730230).

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

1142525250 is an frugal number, since it uses more digits than its factorization.

1142525250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6304 (or 6279 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1142525250 is about 33801.2610711494. The cubic root of 1142525250 is about 1045.4146992317.

Adding to 1142525250 its reverse (525252411), we get a palindrome (1667777661).

The spelling of 1142525250 in words is "one billion, one hundred forty-two million, five hundred twenty-five thousand, two hundred fifty".