45364421 has 2 divisors, whose sum is σ = 45364422. Its totient is φ = 45364420.

The previous prime is 45364411. The next prime is 45364471. The reversal of 45364421 is 12446354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43890625 + 1473796 = 6625^2 + 1214^2 .

It is a cyclic number.

It is not a de Polignac number, because 45364421 - 2¹⁰ = 45363397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45364411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22682210 + 22682211.

It is an arithmetic number, because the mean of its divisors is an integer number (22682211).

Almost surely, 2^45364421 is an apocalyptic number.

It is an amenable number.

45364421 is a deficient number, since it is larger than the sum of its proper divisors (1).

45364421 is an equidigital number, since it uses as much as digits as its factorization.

45364421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 29.

The square root of 45364421 is about 6735.3114998491. The cubic root of 45364421 is about 356.6469032439.

The spelling of 45364421 in words is "forty-five million, three hundred sixty-four thousand, four hundred twenty-one".