45243201604450 has 24 divisors (see below), whose sum is σ = 84579524317332. Its totient is φ = 18005416269120.

The previous prime is 45243201604417. The next prime is 45243201604457. The reversal of 45243201604450 is 5440610234254.

It can be written as a sum of positive squares in 6 ways, for example, as 32526068204569 + 12717133399881 = 5703163^2 + 3566109^2 .

It is not an unprimeable number, because it can be changed into a prime (45243201604457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2296599369 + ... + 2296619068.

Almost surely, 2^{45243201604450} is an apocalyptic number.

45243201604450 is a deficient number, since it is larger than the sum of its proper divisors (39336322712882).

45243201604450 is a wasteful number, since it uses less digits than its factorization.

45243201604450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4593218646 (or 4593218641 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 45243201604450 in words is "forty-five trillion, two hundred forty-three billion, two hundred one million, six hundred four thousand, four hundred fifty".