45505202 has 4 divisors (see below), whose sum is σ = 68257806. Its totient is φ = 22752600.

The previous prime is 45505193. The next prime is 45505237. The reversal of 45505202 is 20250554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20250554 = 2 ⋅10125277.

It can be written as a sum of positive squares in only one way, i.e., 37319881 + 8185321 = 6109^2 + 2861^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11376299 + ... + 11376302.

Almost surely, 2^45505202 is an apocalyptic number.

45505202 is a deficient number, since it is larger than the sum of its proper divisors (22752604).

45505202 is a wasteful number, since it uses less digits than its factorization.

45505202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22752603.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 45505202 is about 6745.7543684899. The cubic root of 45505202 is about 357.0154538789.

Adding to 45505202 its reverse (20250554), we get a palindrome (65755756).

The spelling of 45505202 in words is "forty-five million, five hundred five thousand, two hundred two".