1145543051 has 8 divisors (see below), whose sum is σ = 1180987104. Its totient is φ = 1110335040.

The previous prime is 1145543023. The next prime is 1145543059. The reversal of 1145543051 is 1503455411.

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 1145543051 - 2⁶ = 1145542987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145543059) 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, 49130 + ... + 68591.

It is an arithmetic number, because the mean of its divisors is an integer number (147623388).

Almost surely, 2^1145543051 is an apocalyptic number.

1145543051 is a deficient number, since it is larger than the sum of its proper divisors (35444053).

1145543051 is a wasteful number, since it uses less digits than its factorization.

1145543051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118021.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1145543051 is about 33845.8719934943. The cubic root of 1145543051 is about 1046.3343229367.

Adding to 1145543051 its reverse (1503455411), we get a palindrome (2648998462).

The spelling of 1145543051 in words is "one billion, one hundred forty-five million, five hundred forty-three thousand, fifty-one".