63044545 has 8 divisors (see below), whose sum is σ = 78094080. Its totient is φ = 48808560.

The previous prime is 63044497. The next prime is 63044557. The reversal of 63044545 is 54544036.

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

It is a de Polignac number, because none of the positive numbers 2^k-63044545 is a prime.

It is a super-3 number, since 3×63044545³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 203215 + ... + 203524.

It is an arithmetic number, because the mean of its divisors is an integer number (9761760).

Almost surely, 2^63044545 is an apocalyptic number.

It is an amenable number.

63044545 is a deficient number, since it is larger than the sum of its proper divisors (15049535).

63044545 is a wasteful number, since it uses less digits than its factorization.

63044545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406775.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 63044545 is about 7940.0595085931. The cubic root of 63044545 is about 397.9994802313. Note that the first 3 decimals are identical.

The spelling of 63044545 in words is "sixty-three million, forty-four thousand, five hundred forty-five".