1145412451 has 8 divisors (see below), whose sum is σ = 1217172960. Its totient is φ = 1074139008.

The previous prime is 1145412421. The next prime is 1145412469. The reversal of 1145412451 is 1542145411.

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 1145412451 - 2¹¹ = 1145410403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145412421) 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, 116911 + ... + 126328.

It is an arithmetic number, because the mean of its divisors is an integer number (152146620).

Almost surely, 2^1145412451 is an apocalyptic number.

1145412451 is a deficient number, since it is larger than the sum of its proper divisors (71760509).

1145412451 is a wasteful number, since it uses less digits than its factorization.

1145412451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243533.

The product of its digits is 3200, while the sum is 28.

The square root of 1145412451 is about 33843.9426042534. The cubic root of 1145412451 is about 1046.2945582575.

Adding to 1145412451 its reverse (1542145411), we get a palindrome (2687557862).

The spelling of 1145412451 in words is "one billion, one hundred forty-five million, four hundred twelve thousand, four hundred fifty-one".