1045143451 has 8 divisors (see below), whose sum is σ = 1140678000. Its totient is φ = 949695840.

The previous prime is 1045143427. The next prime is 1045143511. The reversal of 1045143451 is 1543415401.

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 1045143451 - 2¹¹ = 1045141403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045143401) 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, 4825 + ... + 45973.

It is an arithmetic number, because the mean of its divisors is an integer number (142584750).

Almost surely, 2^1045143451 is an apocalyptic number.

1045143451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1045143451 is a deficient number, since it is larger than the sum of its proper divisors (95534549).

1045143451 is a wasteful number, since it uses less digits than its factorization.

1045143451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43469.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1045143451 is about 32328.6784604629. The cubic root of 1045143451 is about 1014.8268937237.

Adding to 1045143451 its reverse (1543415401), we get a palindrome (2588558852).

The spelling of 1045143451 in words is "one billion, forty-five million, one hundred forty-three thousand, four hundred fifty-one".