63145698 has 64 divisors (see below), whose sum is σ = 162570240. Its totient is φ = 15868800.

The previous prime is 63145681. The next prime is 63145703. The reversal of 63145698 is 89654136.

63145698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12118 + ... + 16526.

It is an arithmetic number, because the mean of its divisors is an integer number (2540160).

Almost surely, 2^63145698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63145698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81285120).

63145698 is an abundant number, since it is smaller than the sum of its proper divisors (99424542).

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

63145698 is a wasteful number, since it uses less digits than its factorization.

63145698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4463.

The product of its digits is 155520, while the sum is 42.

The square root of 63145698 is about 7946.4267441410. The cubic root of 63145698 is about 398.2122257287.

The spelling of 63145698 in words is "sixty-three million, one hundred forty-five thousand, six hundred ninety-eight".