1142350272 has 168 divisors, whose sum is σ = 3758257152. Its totient is φ = 324979200.

The previous prime is 1142350267. The next prime is 1142350273. The reversal of 1142350272 is 2720532411.

1142350272 is a `hidden beast` number, since 1 + 1 + 42 + 350 + 272 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142350273) 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 23 ways as a sum of consecutive naturals, for example, 1253497 + ... + 1254407.

Almost surely, 2^1142350272 is an apocalyptic number.

1142350272 is a gapful number since it is divisible by the number (12) 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 1142350272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1879128576).

1142350272 is an abundant number, since it is smaller than the sum of its proper divisors (2615906880).

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

1142350272 is a wasteful number, since it uses less digits than its factorization.

1142350272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1142350272 is about 33798.6726366584. The cubic root of 1142350272 is about 1045.3613280080.

Adding to 1142350272 its reverse (2720532411), we get a palindrome (3862882683).

The spelling of 1142350272 in words is "one billion, one hundred forty-two million, three hundred fifty thousand, two hundred seventy-two".