45021003 has 8 divisors (see below), whose sum is σ = 60262608. Its totient is φ = 29896704.

The previous prime is 45020951. The next prime is 45021007. The reversal of 45021003 is 30012054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45021003 - 2⁹ = 45020491 is a prime.

It is a super-2 number, since 2×45021003² = 4053781422252018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45021007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28426 + ... + 29967.

It is an arithmetic number, because the mean of its divisors is an integer number (7532826).

Almost surely, 2^45021003 is an apocalyptic number.

45021003 is a deficient number, since it is larger than the sum of its proper divisors (15241605).

45021003 is a wasteful number, since it uses less digits than its factorization.

45021003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58653.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 45021003 is about 6709.7692210686. The cubic root of 45021003 is about 355.7446591976.

Adding to 45021003 its reverse (30012054), we get a palindrome (75033057).

The spelling of 45021003 in words is "forty-five million, twenty-one thousand, three".