148641667 has 4 divisors (see below), whose sum is σ = 148873480. Its totient is φ = 148409856.

The previous prime is 148641641. The next prime is 148641671. The reversal of 148641667 is 766146841.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148641667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148641637) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 114942 + ... + 116227.

It is an arithmetic number, because the mean of its divisors is an integer number (37218370).

Almost surely, 2^148641667 is an apocalyptic number.

148641667 is a deficient number, since it is larger than the sum of its proper divisors (231813).

148641667 is an equidigital number, since it uses as much as digits as its factorization.

148641667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231812.

The product of its digits is 193536, while the sum is 43.

The square root of 148641667 is about 12191.8688887307. The cubic root of 148641667 is about 529.7205920166.

The spelling of 148641667 in words is "one hundred forty-eight million, six hundred forty-one thousand, six hundred sixty-seven".