148400387 has 2 divisors, whose sum is σ = 148400388. Its totient is φ = 148400386.

The previous prime is 148400381. The next prime is 148400407. The reversal of 148400387 is 783004841.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148400387 is a prime.

It is not a weakly prime, because it can be changed into another prime (148400381) 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, 74200193 + 74200194.

It is an arithmetic number, because the mean of its divisors is an integer number (74200194).

Almost surely, 2^148400387 is an apocalyptic number.

148400387 is a deficient number, since it is larger than the sum of its proper divisors (1).

148400387 is an equidigital number, since it uses as much as digits as its factorization.

148400387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 148400387 is about 12181.9697504139. The cubic root of 148400387 is about 529.4338168812.

The spelling of 148400387 in words is "one hundred forty-eight million, four hundred thousand, three hundred eighty-seven".