45444412502 has 4 divisors (see below), whose sum is σ = 68166618756. Its totient is φ = 22722206250.

The previous prime is 45444412487. The next prime is 45444412511. The reversal of 45444412502 is 20521444454.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11361103124 + ... + 11361103127.

It is an arithmetic number, because the mean of its divisors is an integer number (17041654689).

Almost surely, 2^45444412502 is an apocalyptic number.

45444412502 is a deficient number, since it is larger than the sum of its proper divisors (22722206254).

45444412502 is a wasteful number, since it uses less digits than its factorization.

45444412502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22722206253.

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 45444412502 its reverse (20521444454), we get a palindrome (65965856956).

The spelling of 45444412502 in words is "forty-five billion, four hundred forty-four million, four hundred twelve thousand, five hundred two".