148435687 has 4 divisors (see below), whose sum is σ = 157167216. Its totient is φ = 139704160.

The previous prime is 148435673. The next prime is 148435697. The reversal of 148435687 is 786534841.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148435687 - 2¹¹ = 148433639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148435667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4365739 + ... + 4365772.

It is an arithmetic number, because the mean of its divisors is an integer number (39291804).

Almost surely, 2^148435687 is an apocalyptic number.

148435687 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

148435687 is a deficient number, since it is larger than the sum of its proper divisors (8731529).

148435687 is an equidigital number, since it uses as much as digits as its factorization.

148435687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8731528.

The product of its digits is 645120, while the sum is 46.

The square root of 148435687 is about 12183.4185268339. The cubic root of 148435687 is about 529.4757923604.

The spelling of 148435687 in words is "one hundred forty-eight million, four hundred thirty-five thousand, six hundred eighty-seven".