454555146025 has 6 divisors (see below), whose sum is σ = 563648381102. Its totient is φ = 363644116800.

The previous prime is 454555145981. The next prime is 454555146053. The reversal of 454555146025 is 520641555454.

It can be written as a sum of positive squares in 3 ways, for example, as 48608784 + 454506537241 = 6972^2 + 674171^2 .

It is a de Polignac number, because none of the positive numbers 2^k-454555146025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9091102896 + ... + 9091102945.

Almost surely, 2^454555146025 is an apocalyptic number.

It is an amenable number.

454555146025 is a deficient number, since it is larger than the sum of its proper divisors (109093235077).

454555146025 is a wasteful number, since it uses less digits than its factorization.

454555146025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18182205851 (or 18182205846 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 46.

The spelling of 454555146025 in words is "four hundred fifty-four billion, five hundred fifty-five million, one hundred forty-six thousand, twenty-five".