4545477 has 20 divisors (see below), whose sum is σ = 7191756. Its totient is φ = 2851200.

The previous prime is 4545473. The next prime is 4545479. The reversal of 4545477 is 7745454.

It can be written as a sum of positive squares in 2 ways, for example, as 2232036 + 2313441 = 1494^2 + 1521^2 .

It is not a de Polignac number, because 4545477 - 2² = 4545473 is a prime.

It is a super-2 number, since 2×4545477² = 41322722315058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545473) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 274 + ... + 3027.

Almost surely, 2^4545477 is an apocalyptic number.

It is an amenable number.

4545477 is a deficient number, since it is larger than the sum of its proper divisors (2646279).

4545477 is a wasteful number, since it uses less digits than its factorization.

4545477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330 (or 3321 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 4545477 is about 2132.0124296073. The cubic root of 4545477 is about 165.6506540065.

The spelling of 4545477 in words is "four million, five hundred forty-five thousand, four hundred seventy-seven".