45242102144 has 48 divisors (see below), whose sum is σ = 91231524420. Its totient is φ = 22348072704.

The previous prime is 45242102131. The next prime is 45242102179. The reversal of 45242102144 is 44120124254.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 856139 + ... + 907445.

Almost surely, 2^45242102144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45242102144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45615762210).

45242102144 is an abundant number, since it is smaller than the sum of its proper divisors (45989422276).

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

45242102144 is an frugal number, since it uses more digits than its factorization.

45242102144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51487 (or 51392 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 45242102144 its reverse (44120124254), we get a palindrome (89362226398).

The spelling of 45242102144 in words is "forty-five billion, two hundred forty-two million, one hundred two thousand, one hundred forty-four".