45214261 has 2 divisors, whose sum is σ = 45214262. Its totient is φ = 45214260.

The previous prime is 45214249. The next prime is 45214283. The reversal of 45214261 is 16241254.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43639236 + 1575025 = 6606^2 + 1255^2 .

It is a cyclic number.

It is not a de Polignac number, because 45214261 - 2⁷ = 45214133 is a prime.

It is a super-2 number, since 2×45214261² = 4088658795552242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45214231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22607130 + 22607131.

It is an arithmetic number, because the mean of its divisors is an integer number (22607131).

Almost surely, 2^45214261 is an apocalyptic number.

It is an amenable number.

45214261 is a deficient number, since it is larger than the sum of its proper divisors (1).

45214261 is an equidigital number, since it uses as much as digits as its factorization.

45214261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 25.

The square root of 45214261 is about 6724.1550398544. The cubic root of 45214261 is about 356.2529579728.

The spelling of 45214261 in words is "forty-five million, two hundred fourteen thousand, two hundred sixty-one".