45010421 has 4 divisors (see below), whose sum is σ = 45354144. Its totient is φ = 44666700.

The previous prime is 45010403. The next prime is 45010423. The reversal of 45010421 is 12401054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45010421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45010421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45010423) 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 3 ways as a sum of consecutive naturals, for example, 171665 + ... + 171926.

It is an arithmetic number, because the mean of its divisors is an integer number (11338536).

Almost surely, 2^45010421 is an apocalyptic number.

It is an amenable number.

45010421 is a deficient number, since it is larger than the sum of its proper divisors (343723).

45010421 is a wasteful number, since it uses less digits than its factorization.

45010421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343722.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 45010421 is about 6708.9806230157. The cubic root of 45010421 is about 355.7167849114.

Adding to 45010421 its reverse (12401054), we get a palindrome (57411475).

The spelling of 45010421 in words is "forty-five million, ten thousand, four hundred twenty-one".