1145113451 has 8 divisors (see below), whose sum is σ = 1206853200. Its totient is φ = 1083520800.

The previous prime is 1145113447. The next prime is 1145113471. The reversal of 1145113451 is 1543115411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1145113451 - 2² = 1145113447 is a prime.

It is a super-2 number, since 2×1145113451² = 2622569631322258802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145113451.

It is not an unprimeable number, because it can be changed into a prime (1145113471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20600 + ... + 52101.

It is an arithmetic number, because the mean of its divisors is an integer number (150856650).

Almost surely, 2^1145113451 is an apocalyptic number.

1145113451 is a deficient number, since it is larger than the sum of its proper divisors (61739749).

1145113451 is an equidigital number, since it uses as much as digits as its factorization.

1145113451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73549.

The product of its digits is 1200, while the sum is 26.

The square root of 1145113451 is about 33839.5249818906. The cubic root of 1145113451 is about 1046.2035082902.

Adding to 1145113451 its reverse (1543115411), we get a palindrome (2688228862).

The spelling of 1145113451 in words is "one billion, one hundred forty-five million, one hundred thirteen thousand, four hundred fifty-one".