45607381 has 2 divisors, whose sum is σ = 45607382. Its totient is φ = 45607380.

The previous prime is 45607349. The next prime is 45607433. The reversal of 45607381 is 18370654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41486481 + 4120900 = 6441^2 + 2030^2 .

It is a cyclic number.

It is not a de Polignac number, because 45607381 - 2⁵ = 45607349 is a prime.

It is a super-2 number, since 2×45607381² = 4160066403358322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45707381) 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 as a sum of consecutive naturals, namely, 22803690 + 22803691.

It is an arithmetic number, because the mean of its divisors is an integer number (22803691).

Almost surely, 2^45607381 is an apocalyptic number.

It is an amenable number.

45607381 is a deficient number, since it is larger than the sum of its proper divisors (1).

45607381 is an equidigital number, since it uses as much as digits as its factorization.

45607381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 45607381 is about 6753.3237002235. The cubic root of 45607381 is about 357.2824725226.

The spelling of 45607381 in words is "forty-five million, six hundred seven thousand, three hundred eighty-one".