1455712227841 has 3 divisors (see below), whose sum is σ = 1455713434371. Its totient is φ = 1455711021312.

The previous prime is 1455712227821. The next prime is 1455712227883. The reversal of 1455712227841 is 1487222175541.

The square root of 1455712227841 is 1206529.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 785933667841 + 669778560000 = 886529^2 + 818400^2 .

It is not a de Polignac number, because 1455712227841 - 2⁷ = 1455712227713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455712227821) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 603265 + ... + 1809793.

It is an arithmetic number, because the mean of its divisors is an integer number (485237811457).

Almost surely, 2^{1455712227841} is an apocalyptic number.

1455712227841 is the 1206529-th square number.

1455712227841 is the 603265-th centered octagonal number.

It is an amenable number.

1455712227841 is a deficient number, since it is larger than the sum of its proper divisors (1206530).

1455712227841 is an frugal number, since it uses more digits than its factorization.

1455712227841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413058 (or 1206529 counting only the distinct ones).

The product of its digits is 1254400, while the sum is 49.

Multiplying 1455712227841 by its sum of digits (49), we get a square (71329899164209 = 8445703²).

The spelling of 1455712227841 in words is "one trillion, four hundred fifty-five billion, seven hundred twelve million, two hundred twenty-seven thousand, eight hundred forty-one".