45384431 has 2 divisors, whose sum is σ = 45384432. Its totient is φ = 45384430.

The previous prime is 45384419. The next prime is 45384463. The reversal of 45384431 is 13448354.

It is an a-pointer prime, because the next prime (45384463) can be obtained adding 45384431 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45384431 - 2¹⁰ = 45383407 is a prime.

It is a super-2 number, since 2×45384431² = 4119493154387522, 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 (45384481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22692215 + 22692216.

It is an arithmetic number, because the mean of its divisors is an integer number (22692216).

Almost surely, 2^45384431 is an apocalyptic number.

45384431 is a deficient number, since it is larger than the sum of its proper divisors (1).

45384431 is an equidigital number, since it uses as much as digits as its factorization.

45384431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 45384431 is about 6736.7967907604. The cubic root of 45384431 is about 356.6993338738.

The spelling of 45384431 in words is "forty-five million, three hundred eighty-four thousand, four hundred thirty-one".