1145342345251 has 8 divisors (see below), whose sum is σ = 1233460064144. Its totient is φ = 1057226692320.

The previous prime is 1145342345249. The next prime is 1145342345267. The reversal of 1145342345251 is 1525432435411.

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 1145342345251 - 2¹ = 1145342345249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145342315251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749965 + ... + 1689121.

It is an arithmetic number, because the mean of its divisors is an integer number (154182508018).

Almost surely, 2^{1145342345251} is an apocalyptic number.

1145342345251 is a deficient number, since it is larger than the sum of its proper divisors (88117718893).

1145342345251 is an equidigital number, since it uses as much as digits as its factorization.

1145342345251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032981.

The product of its digits is 288000, while the sum is 40.

The spelling of 1145342345251 in words is "one trillion, one hundred forty-five billion, three hundred forty-two million, three hundred forty-five thousand, two hundred fifty-one".