45005542 has 16 divisors (see below), whose sum is σ = 69549120. Its totient is φ = 21826368.

The previous prime is 45005539. The next prime is 45005557. The reversal of 45005542 is 24550054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29523 + ... + 31009.

It is an arithmetic number, because the mean of its divisors is an integer number (4346820).

Almost surely, 2^45005542 is an apocalyptic number.

45005542 is a deficient number, since it is larger than the sum of its proper divisors (24543578).

45005542 is a wasteful number, since it uses less digits than its factorization.

45005542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 45005542 is about 6708.6169960730. The cubic root of 45005542 is about 355.7039315553.

Adding to 45005542 its reverse (24550054), we get a palindrome (69555596).

The spelling of 45005542 in words is "forty-five million, five thousand, five hundred forty-two".