1455423243 has 8 divisors (see below), whose sum is σ = 1948684800. Its totient is φ = 966221928.

The previous prime is 1455423239. The next prime is 1455423253. The reversal of 1455423243 is 3423245541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1455423243 - 2² = 1455423239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1455423253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014223 + ... + 1015656.

It is an arithmetic number, because the mean of its divisors is an integer number (243585600).

Almost surely, 2^1455423243 is an apocalyptic number.

1455423243 is a deficient number, since it is larger than the sum of its proper divisors (493261557).

1455423243 is a wasteful number, since it uses less digits than its factorization.

1455423243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030121.

The product of its digits is 57600, while the sum is 33.

The square root of 1455423243 is about 38150.0097378756. The cubic root of 1455423243 is about 1133.2605447389.

Adding to 1455423243 its reverse (3423245541), we get a palindrome (4878668784).

It can be divided in two parts, 145542 and 3243, that added together give a triangular number (148785 = T₅₄₅).

The spelling of 1455423243 in words is "one billion, four hundred fifty-five million, four hundred twenty-three thousand, two hundred forty-three".