63145445 has 8 divisors (see below), whose sum is σ = 82663200. Its totient is φ = 45923920.

The previous prime is 63145427. The next prime is 63145447. The reversal of 63145445 is 54454136.

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

It is not a de Polignac number, because 63145445 - 2¹⁰ = 63144421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63145447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573995 + ... + 574104.

It is an arithmetic number, because the mean of its divisors is an integer number (10332900).

Almost surely, 2^63145445 is an apocalyptic number.

It is an amenable number.

63145445 is a deficient number, since it is larger than the sum of its proper divisors (19517755).

63145445 is a wasteful number, since it uses less digits than its factorization.

63145445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148115.

The product of its digits is 28800, while the sum is 32.

The square root of 63145445 is about 7946.4108250203. The cubic root of 63145445 is about 398.2116939013.

The spelling of 63145445 in words is "sixty-three million, one hundred forty-five thousand, four hundred forty-five".