45203542 has 4 divisors (see below), whose sum is σ = 67805316. Its totient is φ = 22601770.

The previous prime is 45203537. The next prime is 45203569. The reversal of 45203542 is 24530254.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11300884 + ... + 11300887.

It is an arithmetic number, because the mean of its divisors is an integer number (16951329).

Almost surely, 2^45203542 is an apocalyptic number.

45203542 is a deficient number, since it is larger than the sum of its proper divisors (22601774).

45203542 is a wasteful number, since it uses less digits than its factorization.

45203542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22601773.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 45203542 is about 6723.3579407912. The cubic root of 45203542 is about 356.2248033067.

Adding to 45203542 its reverse (24530254), we get a palindrome (69733796).

The spelling of 45203542 in words is "forty-five million, two hundred three thousand, five hundred forty-two".