1145111454 has 24 divisors (see below), whose sum is σ = 2482468560. Its totient is φ = 381489408.

The previous prime is 1145111441. The next prime is 1145111491. The reversal of 1145111454 is 4541115411.

It is a happy number.

1145111454 is a `hidden beast` number, since 1 + 1 + 4 + 511 + 145 + 4 = 666.

It is a super-2 number, since 2×1145111454² = 2622560484163988232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 16894 + ... + 50750.

It is an arithmetic number, because the mean of its divisors is an integer number (103436190).

Almost surely, 2^1145111454 is an apocalyptic number.

1145111454 is an abundant number, since it is smaller than the sum of its proper divisors (1337357106).

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

1145111454 is a wasteful number, since it uses less digits than its factorization.

1145111454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35744 (or 35741 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 1145111454 is about 33839.4954749624. The cubic root of 1145111454 is about 1046.2029001206.

Adding to 1145111454 its reverse (4541115411), we get a palindrome (5686226865).

The spelling of 1145111454 in words is "one billion, one hundred forty-five million, one hundred eleven thousand, four hundred fifty-four".