4545442900 has 18 divisors (see below), whose sum is σ = 9863611310. Its totient is φ = 1818177120.

The previous prime is 4545442883. The next prime is 4545442963. The reversal of 4545442900 is 92445454.

It can be written as a sum of positive squares in 3 ways, for example, as 335768976 + 4209673924 = 18324^2 + 64882^2 .

It is a super-2 number, since 2×4545442900² = 41322102314320820000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4545442900.

It is a congruent 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, 22727115 + ... + 22727314.

Almost surely, 2^4545442900 is an apocalyptic number.

It is an amenable number.

4545442900 is an abundant number, since it is smaller than the sum of its proper divisors (5318168410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4545442900 is a wasteful number, since it uses less digits than its factorization.

4545442900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45454443 (or 45454436 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 4545442900 is about 67419.8998812665. The cubic root of 4545442900 is about 1656.5023977043.

The spelling of 4545442900 in words is "four billion, five hundred forty-five million, four hundred forty-two thousand, nine hundred".