1142400032 has 48 divisors (see below), whose sum is σ = 2271919104. Its totient is φ = 565440000.

The previous prime is 1142400031. The next prime is 1142400037. The reversal of 1142400032 is 2300042411.

It is a super-2 number, since 2×1142400032² = 2610155666227202048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1142400031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1900532 + ... + 1901132.

It is an arithmetic number, because the mean of its divisors is an integer number (47331648).

Almost surely, 2^1142400032 is an apocalyptic number.

It is an amenable number.

1142400032 is a deficient number, since it is larger than the sum of its proper divisors (1129519072).

1142400032 is a wasteful number, since it uses less digits than its factorization.

1142400032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1142400032 is about 33799.4087522252. The cubic root of 1142400032 is about 1045.3765061968.

Adding to 1142400032 its reverse (2300042411), we get a palindrome (3442442443).

The spelling of 1142400032 in words is "one billion, one hundred forty-two million, four hundred thousand, thirty-two".