45914381 has 2 divisors, whose sum is σ = 45914382. Its totient is φ = 45914380.

The previous prime is 45914369. The next prime is 45914443. The reversal of 45914381 is 18341954.

45914381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44769481 + 1144900 = 6691^2 + 1070^2 .

It is a cyclic number.

It is not a de Polignac number, because 45914381 - 2¹⁴ = 45897997 is a prime.

It is a super-2 number, since 2×45914381² = 4216260765226322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45914311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22957190 + 22957191.

It is an arithmetic number, because the mean of its divisors is an integer number (22957191).

Almost surely, 2^45914381 is an apocalyptic number.

It is an amenable number.

45914381 is a deficient number, since it is larger than the sum of its proper divisors (1).

45914381 is an equidigital number, since it uses as much as digits as its factorization.

45914381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 45914381 is about 6776.0151269017. The cubic root of 45914381 is about 358.0823468801.

The spelling of 45914381 in words is "forty-five million, nine hundred fourteen thousand, three hundred eighty-one".