63415145 has 8 divisors (see below), whose sum is σ = 76609800. Its totient is φ = 50391040.

The previous prime is 63415133. The next prime is 63415201. The reversal of 63415145 is 54151436.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7823209 + 55591936 = 2797^2 + 7456^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63415145 - 2⁴ = 63415129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41816 + ... + 43305.

It is an arithmetic number, because the mean of its divisors is an integer number (9576225).

Almost surely, 2^63415145 is an apocalyptic number.

It is an amenable number.

63415145 is a deficient number, since it is larger than the sum of its proper divisors (13194655).

63415145 is a wasteful number, since it uses less digits than its factorization.

63415145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85275.

The product of its digits is 7200, while the sum is 29.

The square root of 63415145 is about 7963.3626691241. The cubic root of 63415145 is about 398.7778215865. Note that the first 3 decimals are identical.

The spelling of 63415145 in words is "sixty-three million, four hundred fifteen thousand, one hundred forty-five".