1455215241 has 4 divisors (see below), whose sum is σ = 1940286992. Its totient is φ = 970143492.

The previous prime is 1455215213. The next prime is 1455215257. The reversal of 1455215241 is 1425125541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-1455215241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1455215199 and 1455215208.

It is not an unprimeable number, because it can be changed into a prime (1455215141) 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, 242535871 + ... + 242535876.

It is an arithmetic number, because the mean of its divisors is an integer number (485071748).

Almost surely, 2^1455215241 is an apocalyptic number.

It is an amenable number.

1455215241 is a deficient number, since it is larger than the sum of its proper divisors (485071751).

1455215241 is an equidigital number, since it uses as much as digits as its factorization.

1455215241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485071750.

The product of its digits is 8000, while the sum is 30.

The square root of 1455215241 is about 38147.2835336935. The cubic root of 1455215241 is about 1133.2065554747.

The spelling of 1455215241 in words is "one billion, four hundred fifty-five million, two hundred fifteen thousand, two hundred forty-one".