63404145 has 96 divisors (see below), whose sum is σ = 133545984. Its totient is φ = 27216000.

The previous prime is 63404141. The next prime is 63404149. The reversal of 63404145 is 54140436.

It is an interprime number because it is at equal distance from previous prime (63404141) and next prime (63404149).

It is not a de Polignac number, because 63404145 - 2² = 63404141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63404141) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 419820 + ... + 419970.

It is an arithmetic number, because the mean of its divisors is an integer number (1391104).

Almost surely, 2^63404145 is an apocalyptic number.

It is an amenable number.

63404145 is an abundant number, since it is smaller than the sum of its proper divisors (70141839).

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

63404145 is a wasteful number, since it uses less digits than its factorization.

63404145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 63404145 is about 7962.6719761648. The cubic root of 63404145 is about 398.7547629008.

The spelling of 63404145 in words is "sixty-three million, four hundred four thousand, one hundred forty-five".