45151603 has 4 divisors (see below), whose sum is σ = 51601840. Its totient is φ = 38701368.

The previous prime is 45151583. The next prime is 45151607. The reversal of 45151603 is 30615154.

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 45151603 - 2⁹ = 45151091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45151607) 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, 3225108 + ... + 3225121.

It is an arithmetic number, because the mean of its divisors is an integer number (12900460).

Almost surely, 2^45151603 is an apocalyptic number.

45151603 is a deficient number, since it is larger than the sum of its proper divisors (6450237).

45151603 is an equidigital number, since it uses as much as digits as its factorization.

45151603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6450236.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 45151603 is about 6719.4942518020. The cubic root of 45151603 is about 356.0883165770.

Adding to 45151603 its reverse (30615154), we get a palindrome (75766757).

It can be divided in two parts, 45151 and 603, that added together give a palindrome (45754).

The spelling of 45151603 in words is "forty-five million, one hundred fifty-one thousand, six hundred three".