45209204 has 6 divisors (see below), whose sum is σ = 79116114. Its totient is φ = 22604600.

The previous prime is 45209201. The next prime is 45209207. The reversal of 45209204 is 40290254.

It is an interprime number because it is at equal distance from previous prime (45209201) and next prime (45209207).

It can be written as a sum of positive squares in only one way, i.e., 33292900 + 11916304 = 5770^2 + 3452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45209201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5651147 + ... + 5651154.

It is an arithmetic number, because the mean of its divisors is an integer number (13186019).

Almost surely, 2^45209204 is an apocalyptic number.

It is an amenable number.

45209204 is a deficient number, since it is larger than the sum of its proper divisors (33906910).

45209204 is a wasteful number, since it uses less digits than its factorization.

45209204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11302305 (or 11302303 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 45209204 is about 6723.7789969629. The cubic root of 45209204 is about 356.2396757447.

Adding to 45209204 its reverse (40290254), we get a palindrome (85499458).

The spelling of 45209204 in words is "forty-five million, two hundred nine thousand, two hundred four".