38145953 has 2 divisors, whose sum is σ = 38145954. Its totient is φ = 38145952.

The previous prime is 38145941. The next prime is 38145997. The reversal of 38145953 is 35954183.

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., 36385024 + 1760929 = 6032^2 + 1327^2 .

It is a cyclic number.

It is not a de Polignac number, because 38145953 - 2⁶ = 38145889 is a prime.

It is a super-2 number, since 2×38145953² = 2910227460556418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38145553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19072976 + 19072977.

It is an arithmetic number, because the mean of its divisors is an integer number (19072977).

Almost surely, 2^38145953 is an apocalyptic number.

It is an amenable number.

38145953 is a deficient number, since it is larger than the sum of its proper divisors (1).

38145953 is an equidigital number, since it uses as much as digits as its factorization.

38145953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 38.

The square root of 38145953 is about 6176.2410088985. The cubic root of 38145953 is about 336.6274209500.

The spelling of 38145953 in words is "thirty-eight million, one hundred forty-five thousand, nine hundred fifty-three".