1145351251 has 8 divisors (see below), whose sum is σ = 1322972784. Its totient is φ = 979979520.

The previous prime is 1145351237. The next prime is 1145351269. The reversal of 1145351251 is 1521535411.

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 1145351251 - 2²³ = 1136962643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145351351) 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, 3062250 + ... + 3062623.

It is an arithmetic number, because the mean of its divisors is an integer number (165371598).

Almost surely, 2^1145351251 is an apocalyptic number.

1145351251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1145351251 is a deficient number, since it is larger than the sum of its proper divisors (177621533).

1145351251 is a wasteful number, since it uses less digits than its factorization.

1145351251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124901.

The product of its digits is 3000, while the sum is 28.

The square root of 1145351251 is about 33843.0384421966. The cubic root of 1145351251 is about 1046.2759232329.

Adding to 1145351251 its reverse (1521535411), we get a palindrome (2666886662).

The spelling of 1145351251 in words is "one billion, one hundred forty-five million, three hundred fifty-one thousand, two hundred fifty-one".