1456145243 has 4 divisors (see below), whose sum is σ = 1664166000. Its totient is φ = 1248124488.

The previous prime is 1456145239. The next prime is 1456145269. The reversal of 1456145243 is 3425416541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1456145243 - 2² = 1456145239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1456145293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104010368 + ... + 104010381.

It is an arithmetic number, because the mean of its divisors is an integer number (416041500).

Almost surely, 2^1456145243 is an apocalyptic number.

1456145243 is a deficient number, since it is larger than the sum of its proper divisors (208020757).

1456145243 is an equidigital number, since it uses as much as digits as its factorization.

1456145243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208020756.

The product of its digits is 57600, while the sum is 35.

The square root of 1456145243 is about 38159.4712096486. The cubic root of 1456145243 is about 1133.4479080725.

The spelling of 1456145243 in words is "one billion, four hundred fifty-six million, one hundred forty-five thousand, two hundred forty-three".