1142232408 has 64 divisors (see below), whose sum is σ = 3208572000. Its totient is φ = 376459776.

The previous prime is 1142232401. The next prime is 1142232409. The reversal of 1142232408 is 8042322411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142232401) 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, 10485 + ... + 48932.

Almost surely, 2^1142232408 is an apocalyptic number.

1142232408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1142232408 is an abundant number, since it is smaller than the sum of its proper divisors (2066339592).

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

1142232408 is a wasteful number, since it uses less digits than its factorization.

1142232408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59521 (or 59511 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1142232408 is about 33796.9289729111. The cubic root of 1142232408 is about 1045.3253744398.

Adding to 1142232408 its reverse (8042322411), we get a palindrome (9184554819).

The spelling of 1142232408 in words is "one billion, one hundred forty-two million, two hundred thirty-two thousand, four hundred eight".