45374621 has 2 divisors, whose sum is σ = 45374622. Its totient is φ = 45374620.

The previous prime is 45374597. The next prime is 45374627. The reversal of 45374621 is 12647354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45225625 + 148996 = 6725^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 45374621 - 2¹⁰ = 45373597 is a prime.

It is a Chen prime.

It is equal to p_2739551 and since 45374621 and 2739551 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45374627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22687310 + 22687311.

It is an arithmetic number, because the mean of its divisors is an integer number (22687311).

Almost surely, 2^45374621 is an apocalyptic number.

It is an amenable number.

45374621 is a deficient number, since it is larger than the sum of its proper divisors (1).

45374621 is an equidigital number, since it uses as much as digits as its factorization.

45374621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 32.

The square root of 45374621 is about 6736.0686605764. The cubic root of 45374621 is about 356.6736314281.

The spelling of 45374621 in words is "forty-five million, three hundred seventy-four thousand, six hundred twenty-one".