45551203 has 4 divisors (see below), whose sum is σ = 45697048. Its totient is φ = 45405360.

The previous prime is 45551173. The next prime is 45551239. The reversal of 45551203 is 30215554.

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

It is a cyclic number.

It is not a de Polignac number, because 45551203 - 2⁵ = 45551171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45551263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72453 + ... + 73078.

It is an arithmetic number, because the mean of its divisors is an integer number (11424262).

Almost surely, 2^45551203 is an apocalyptic number.

45551203 is a deficient number, since it is larger than the sum of its proper divisors (145845).

45551203 is a wasteful number, since it uses less digits than its factorization.

45551203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145844.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 45551203 is about 6749.1631333077. The cubic root of 45551203 is about 357.1357151257.

Adding to 45551203 its reverse (30215554), we get a palindrome (75766757).

It can be divided in two parts, 45551 and 203, that added together give a palindrome (45754).

The spelling of 45551203 in words is "forty-five million, five hundred fifty-one thousand, two hundred three".