1452718537345 has 4 divisors (see below), whose sum is σ = 1743262244820. Its totient is φ = 1162174829872.

The previous prime is 1452718537321. The next prime is 1452718537349. The reversal of 1452718537345 is 5437358172541.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 949765244481 + 502953292864 = 974559^2 + 709192^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452718537345 - 2¹¹ = 1452718535297 is a prime.

It is a super-2 number, since 2×1452718537345² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1452718537349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145271853730 + ... + 145271853739.

It is an arithmetic number, because the mean of its divisors is an integer number (435815561205).

Almost surely, 2^{1452718537345} is an apocalyptic number.

It is an amenable number.

1452718537345 is a deficient number, since it is larger than the sum of its proper divisors (290543707475).

1452718537345 is an equidigital number, since it uses as much as digits as its factorization.

1452718537345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290543707474.

The product of its digits is 14112000, while the sum is 55.

The spelling of 1452718537345 in words is "one trillion, four hundred fifty-two billion, seven hundred eighteen million, five hundred thirty-seven thousand, three hundred forty-five".