1151401144 has 8 divisors (see below), whose sum is σ = 2158877160. Its totient is φ = 575700568.

The previous prime is 1151401133. The next prime is 1151401151. The reversal of 1151401144 is 4411041511.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71962564 + ... + 71962579.

It is an arithmetic number, because the mean of its divisors is an integer number (269859645).

Almost surely, 2^1151401144 is an apocalyptic number.

It is an amenable number.

1151401144 is a deficient number, since it is larger than the sum of its proper divisors (1007476016).

1151401144 is a wasteful number, since it uses less digits than its factorization.

1151401144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143925149 (or 143925145 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 1151401144 is about 33932.3023680976. The cubic root of 1151401144 is about 1048.1148772737.

Adding to 1151401144 its reverse (4411041511), we get a palindrome (5562442655).

The spelling of 1151401144 in words is "one billion, one hundred fifty-one million, four hundred one thousand, one hundred forty-four".