148387505 has 16 divisors (see below), whose sum is σ = 203813760. Its totient is φ = 101596032.

The previous prime is 148387489. The next prime is 148387531. The reversal of 148387505 is 505783841.

It is a cyclic number.

It is not a de Polignac number, because 148387505 - 2⁴ = 148387489 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22997 + ... + 28733.

It is an arithmetic number, because the mean of its divisors is an integer number (12738360).

Almost surely, 2^148387505 is an apocalyptic number.

It is an amenable number.

148387505 is a deficient number, since it is larger than the sum of its proper divisors (55426255).

148387505 is an equidigital number, since it uses as much as digits as its factorization.

148387505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6488.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 148387505 is about 12181.4410067118. The cubic root of 148387505 is about 529.4184971463.

It can be divided in two parts, 1483 and 87505, that added together give a palindrome (88988).

The spelling of 148387505 in words is "one hundred forty-eight million, three hundred eighty-seven thousand, five hundred five".