148439469 has 8 divisors (see below), whose sum is σ = 197975680. Its totient is φ = 98931456.

The previous prime is 148439387. The next prime is 148439471. The reversal of 148439469 is 964934841.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 148439469 - 2⁹ = 148438957 is a prime.

It is a super-2 number, since 2×148439469² = 44068551914003922, 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 (148439479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16077 + ... + 23565.

It is an arithmetic number, because the mean of its divisors is an integer number (24746960).

Almost surely, 2^148439469 is an apocalyptic number.

It is an amenable number.

148439469 is a deficient number, since it is larger than the sum of its proper divisors (49536211).

148439469 is an equidigital number, since it uses as much as digits as its factorization.

148439469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14099.

The product of its digits is 746496, while the sum is 48.

The square root of 148439469 is about 12183.5737367982. The cubic root of 148439469 is about 529.4802891686.

The spelling of 148439469 in words is "one hundred forty-eight million, four hundred thirty-nine thousand, four hundred sixty-nine".