1151442432 has 320 divisors, whose sum is σ = 3972840960. Its totient is φ = 322486272.

The previous prime is 1151442379. The next prime is 1151442443. The reversal of 1151442432 is 2342441511.

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

It is a junction number, because it is equal to n+sod(n) for n = 1151442396 and 1151442405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7063983 + ... + 7064145.

It is an arithmetic number, because the mean of its divisors is an integer number (12415128).

Almost surely, 2^1151442432 is an apocalyptic number.

1151442432 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 1151442432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1986420480).

1151442432 is an abundant number, since it is smaller than the sum of its proper divisors (2821398528).

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

1151442432 is an equidigital number, since it uses as much as digits as its factorization.

1151442432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 248 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1151442432 is about 33932.9107504794. The cubic root of 1151442432 is about 1048.1274052127.

Adding to 1151442432 its reverse (2342441511), we get a palindrome (3493883943).

The spelling of 1151442432 in words is "one billion, one hundred fifty-one million, four hundred forty-two thousand, four hundred thirty-two".