148864403 has 2 divisors, whose sum is σ = 148864404. Its totient is φ = 148864402.

The previous prime is 148864381. The next prime is 148864421. The reversal of 148864403 is 304468841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148864403 - 2⁸ = 148864147 is a prime.

It is a super-2 number, since 2×148864403² = 44321220961092818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (148864483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74432201 + 74432202.

It is an arithmetic number, because the mean of its divisors is an integer number (74432202).

Almost surely, 2^148864403 is an apocalyptic number.

148864403 is a deficient number, since it is larger than the sum of its proper divisors (1).

148864403 is an equidigital number, since it uses as much as digits as its factorization.

148864403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 148864403 is about 12201.0000819605. Note that the first 4 decimals coincide. The cubic root of 148864403 is about 529.9850511982.

The spelling of 148864403 in words is "one hundred forty-eight million, eight hundred sixty-four thousand, four hundred three".