445154949451544 has 64 divisors (see below), whose sum is σ = 839461560537600. Its totient is φ = 221302453117824.

The previous prime is 445154949451543. The next prime is 445154949451561.

It is a happy number.

445154949451544 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (68) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445154949451543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3467171702 + ... + 3467300090.

It is an arithmetic number, because the mean of its divisors is an integer number (13116586883400).

Almost surely, 2^{445154949451544} is an apocalyptic number.

It is an amenable number.

445154949451544 is a deficient number, since it is larger than the sum of its proper divisors (394306611086056).

445154949451544 is a wasteful number, since it uses less digits than its factorization.

445154949451544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132192 (or 132188 counting only the distinct ones).

The product of its digits is 829440000, while the sum is 68.

The spelling of 445154949451544 in words is "four hundred forty-five trillion, one hundred fifty-four billion, nine hundred forty-nine million, four hundred fifty-one thousand, five hundred forty-four".