45554452042 has 16 divisors (see below), whose sum is σ = 74877933312. Its totient is φ = 20613712320.

The previous prime is 45554452019. The next prime is 45554452049. The reversal of 45554452042 is 24025445554.

It is a junction number, because it is equal to n+sod(n) for n = 45554451986 and 45554452004.

It is not an unprimeable number, because it can be changed into a prime (45554452049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4637823 + ... + 4647634.

It is an arithmetic number, because the mean of its divisors is an integer number (4679870832).

Almost surely, 2^45554452042 is an apocalyptic number.

45554452042 is a deficient number, since it is larger than the sum of its proper divisors (29323481270).

45554452042 is a wasteful number, since it uses less digits than its factorization.

45554452042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9285693.

The product of its (nonzero) digits is 640000, while the sum is 40.

Adding to 45554452042 its reverse (24025445554), we get a palindrome (69579897596).

The spelling of 45554452042 in words is "forty-five billion, five hundred fifty-four million, four hundred fifty-two thousand, forty-two".