45437387 has 2 divisors, whose sum is σ = 45437388. Its totient is φ = 45437386.

The previous prime is 45437383. The next prime is 45437393. The reversal of 45437387 is 78373454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45437387 - 2² = 45437383 is a prime.

It is a super-2 number, since 2×45437387² = 4129112274775538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45437383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22718693 + 22718694.

It is an arithmetic number, because the mean of its divisors is an integer number (22718694).

Almost surely, 2^45437387 is an apocalyptic number.

45437387 is a deficient number, since it is larger than the sum of its proper divisors (1).

45437387 is an equidigital number, since it uses as much as digits as its factorization.

45437387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 41.

The square root of 45437387 is about 6740.7259994751. The cubic root of 45437387 is about 356.8380159972.

The spelling of 45437387 in words is "forty-five million, four hundred thirty-seven thousand, three hundred eighty-seven".