1455478213 has 24 divisors (see below), whose sum is σ = 1746662400. Its totient is φ = 1208396448.

The previous prime is 1455478207. The next prime is 1455478243. The reversal of 1455478213 is 3128745541.

It is not a de Polignac number, because 1455478213 - 2¹³ = 1455470021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455478243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431628 + ... + 434986.

It is an arithmetic number, because the mean of its divisors is an integer number (72777600).

Almost surely, 2^1455478213 is an apocalyptic number.

It is an amenable number.

1455478213 is a deficient number, since it is larger than the sum of its proper divisors (291184187).

1455478213 is a wasteful number, since it uses less digits than its factorization.

1455478213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649 (or 3642 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 1455478213 is about 38150.7301764986. The cubic root of 1455478213 is about 1133.2748119628.

The spelling of 1455478213 in words is "one billion, four hundred fifty-five million, four hundred seventy-eight thousand, two hundred thirteen".