148340669 has 4 divisors (see below), whose sum is σ = 151790496. Its totient is φ = 144890844.

The previous prime is 148340663. The next prime is 148340677. The reversal of 148340669 is 966043841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148340669 is a prime.

It is a super-2 number, since 2×148340669² = 44009908158735122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148340663) 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, 1724849 + ... + 1724934.

It is an arithmetic number, because the mean of its divisors is an integer number (37947624).

Almost surely, 2^148340669 is an apocalyptic number.

It is an amenable number.

148340669 is a deficient number, since it is larger than the sum of its proper divisors (3449827).

148340669 is an equidigital number, since it uses as much as digits as its factorization.

148340669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449826.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 148340669 is about 12179.5184223351. The cubic root of 148340669 is about 529.3627906275.

The spelling of 148340669 in words is "one hundred forty-eight million, three hundred forty thousand, six hundred sixty-nine".