45243042542 has 8 divisors (see below), whose sum is σ = 68977097832. Its totient is φ = 22250676600.

The previous prime is 45243042529. The next prime is 45243042571. The reversal of 45243042542 is 24524034254.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185422184 + ... + 185422427.

It is an arithmetic number, because the mean of its divisors is an integer number (8622137229).

Almost surely, 2^45243042542 is an apocalyptic number.

45243042542 is a deficient number, since it is larger than the sum of its proper divisors (23734055290).

45243042542 is a wasteful number, since it uses less digits than its factorization.

45243042542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370844674.

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 45243042542 its reverse (24524034254), we get a palindrome (69767076796).

The spelling of 45243042542 in words is "forty-five billion, two hundred forty-three million, forty-two thousand, five hundred forty-two".