4545450477 has 6 divisors (see below), whose sum is σ = 6565650702. Its totient is φ = 3030300312.

The previous prime is 4545450473. The next prime is 4545450487. The reversal of 4545450477 is 7740545454.

It can be written as a sum of positive squares in only one way, i.e., 4217333481 + 328116996 = 64941^2 + 18114^2 .

It is not a de Polignac number, because 4545450477 - 2² = 4545450473 is a prime.

It is a super-2 number, since 2×4545450477² = 41322240077719055058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545450473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252525018 + ... + 252525035.

It is an arithmetic number, because the mean of its divisors is an integer number (1094275117).

Almost surely, 2^4545450477 is an apocalyptic number.

It is an amenable number.

4545450477 is a deficient number, since it is larger than the sum of its proper divisors (2020200225).

4545450477 is a wasteful number, since it uses less digits than its factorization.

4545450477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505050059 (or 505050056 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 45.

The square root of 4545450477 is about 67419.9560738510. The cubic root of 4545450477 is about 1656.5033181362.

The spelling of 4545450477 in words is "four billion, five hundred forty-five million, four hundred fifty thousand, four hundred seventy-seven".