1455049923 has 8 divisors (see below), whose sum is σ = 1981344768. Its totient is φ = 949394184.

The previous prime is 1455049913. The next prime is 1455049949. The reversal of 1455049923 is 3299405541.

1455049923 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-1455049923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1455049903) 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, 5159611 + ... + 5159892.

It is an arithmetic number, because the mean of its divisors is an integer number (247668096).

Almost surely, 2^1455049923 is an apocalyptic number.

1455049923 is a deficient number, since it is larger than the sum of its proper divisors (526294845).

1455049923 is a wasteful number, since it uses less digits than its factorization.

1455049923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10319553.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 1455049923 is about 38145.1166337187. The cubic root of 1455049923 is about 1133.1636416544.

The spelling of 1455049923 in words is "one billion, four hundred fifty-five million, forty-nine thousand, nine hundred twenty-three".