148664287 has 4 divisors (see below), whose sum is σ = 152121640. Its totient is φ = 145206936.

The previous prime is 148664239. The next prime is 148664291. The reversal of 148664287 is 782466841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782466841 = 13 ⋅60189757.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148664287 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 (148664587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1728612 + ... + 1728697.

It is an arithmetic number, because the mean of its divisors is an integer number (38030410).

Almost surely, 2^148664287 is an apocalyptic number.

148664287 is a deficient number, since it is larger than the sum of its proper divisors (3457353).

148664287 is an equidigital number, since it uses as much as digits as its factorization.

148664287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457352.

The product of its digits is 516096, while the sum is 46.

The square root of 148664287 is about 12192.7965208971. The cubic root of 148664287 is about 529.7474612704.

The spelling of 148664287 in words is "one hundred forty-eight million, six hundred sixty-four thousand, two hundred eighty-seven".