1455455979 has 8 divisors (see below), whose sum is σ = 2156231120. Its totient is φ = 970303968.

The previous prime is 1455455977. The next prime is 1455455999. The reversal of 1455455979 is 9795545541.

1455455979 is a `hidden beast` number, since 1 + 4 + 5 + 5 + 45 + 597 + 9 = 666.

It is not a de Polignac number, because 1455455979 - 2¹ = 1455455977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455455971) 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, 26952862 + ... + 26952915.

It is an arithmetic number, because the mean of its divisors is an integer number (269528890).

Almost surely, 2^1455455979 is an apocalyptic number.

1455455979 is a deficient number, since it is larger than the sum of its proper divisors (700775141).

1455455979 is an equidigital number, since it uses as much as digits as its factorization.

1455455979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53905786 (or 53905780 counting only the distinct ones).

The product of its digits is 5670000, while the sum is 54.

The square root of 1455455979 is about 38150.4387786038. The cubic root of 1455455979 is about 1133.2690412683.

The spelling of 1455455979 in words is "one billion, four hundred fifty-five million, four hundred fifty-five thousand, nine hundred seventy-nine".