1154411442 has 24 divisors (see below), whose sum is σ = 2512156140. Its totient is φ = 383122080.

The previous prime is 1154411413. The next prime is 1154411471. The reversal of 1154411442 is 2441144511.

It is a happy number.

1154411442 is a `hidden beast` number, since 1 + 1 + 544 + 114 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1154411413) and next prime (1154411471).

It can be written as a sum of positive squares in 2 ways, for example, as 1014486201 + 139925241 = 31851^2 + 11829^2 .

It is a super-3 number, since 3×1154411442³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135909 + ... + 144152.

Almost surely, 2^1154411442 is an apocalyptic number.

1154411442 is an abundant number, since it is smaller than the sum of its proper divisors (1357744698).

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

1154411442 is a wasteful number, since it uses less digits than its factorization.

1154411442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280298 (or 280295 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 1154411442 is about 33976.6308217869. The cubic root of 1154411442 is about 1049.0275022832.

Adding to 1154411442 its reverse (2441144511), we get a palindrome (3595555953).

The spelling of 1154411442 in words is "one billion, one hundred fifty-four million, four hundred eleven thousand, four hundred forty-two".