45005400242 has 16 divisors (see below), whose sum is σ = 73654596000. Its totient is φ = 20454390240.

The previous prime is 45005400221. The next prime is 45005400247. The reversal of 45005400242 is 24200450054.

It is a super-2 number, since 2×45005400242² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45005400247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51509 + ... + 304407.

It is an arithmetic number, because the mean of its divisors is an integer number (4603412250).

Almost surely, 2^45005400242 is an apocalyptic number.

45005400242 is a deficient number, since it is larger than the sum of its proper divisors (28649195758).

45005400242 is a wasteful number, since it uses less digits than its factorization.

45005400242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261001.

The product of its (nonzero) digits is 6400, while the sum is 26.

Adding to 45005400242 its reverse (24200450054), we get a palindrome (69205850296).

The spelling of 45005400242 in words is "forty-five billion, five million, four hundred thousand, two hundred forty-two".