1452473441557 has 4 divisors (see below), whose sum is σ = 1491729480556. Its totient is φ = 1413217402560.

The previous prime is 1452473441543. The next prime is 1452473441567. The reversal of 1452473441557 is 7551443742541.

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 1263569335396 + 188904106161 = 1124086^2 + 434631^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452473441557 - 2⁷ = 1452473441429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452473441567) 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, 19628019444 + ... + 19628019517.

It is an arithmetic number, because the mean of its divisors is an integer number (372932370139).

Almost surely, 2^{1452473441557} is an apocalyptic number.

It is an amenable number.

1452473441557 is a deficient number, since it is larger than the sum of its proper divisors (39256038999).

1452473441557 is an equidigital number, since it uses as much as digits as its factorization.

1452473441557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39256038998.

The product of its digits is 9408000, while the sum is 52.

The spelling of 1452473441557 in words is "one trillion, four hundred fifty-two billion, four hundred seventy-three million, four hundred forty-one thousand, five hundred fifty-seven".