1455123485 has 4 divisors (see below), whose sum is σ = 1746148188. Its totient is φ = 1164098784.

The previous prime is 1455123473. The next prime is 1455123491. The reversal of 1455123485 is 5843215541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5843215541 = 15923 ⋅366967.

It can be written as a sum of positive squares in 2 ways, for example, as 331130809 + 1123992676 = 18197^2 + 33526^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1455123485 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145512344 + ... + 145512353.

It is an arithmetic number, because the mean of its divisors is an integer number (436537047).

Almost surely, 2^1455123485 is an apocalyptic number.

It is an amenable number.

1455123485 is a deficient number, since it is larger than the sum of its proper divisors (291024703).

1455123485 is an equidigital number, since it uses as much as digits as its factorization.

1455123485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291024702.

The product of its digits is 96000, while the sum is 38.

The square root of 1455123485 is about 38146.0808602928. The cubic root of 1455123485 is about 1133.1827375351.

The spelling of 1455123485 in words is "one billion, four hundred fifty-five million, one hundred twenty-three thousand, four hundred eighty-five".