63145898 has 4 divisors (see below), whose sum is σ = 94718850. Its totient is φ = 31572948.

The previous prime is 63145897. The next prime is 63145921. The reversal of 63145898 is 89854136.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32752729 + 30393169 = 5723^2 + 5513^2 .

It is not an unprimeable number, because it can be changed into a prime (63145891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15786473 + ... + 15786476.

Almost surely, 2^63145898 is an apocalyptic number.

63145898 is a deficient number, since it is larger than the sum of its proper divisors (31572952).

63145898 is a wasteful number, since it uses less digits than its factorization.

63145898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31572951.

The product of its digits is 207360, while the sum is 44.

The square root of 63145898 is about 7946.4393284036. The cubic root of 63145898 is about 398.2126461445.

The spelling of 63145898 in words is "sixty-three million, one hundred forty-five thousand, eight hundred ninety-eight".