148144409 has 8 divisors (see below), whose sum is σ = 179267328. Its totient is φ = 119511360.

The previous prime is 148144397. The next prime is 148144421. The reversal of 148144409 is 904441841.

It is an interprime number because it is at equal distance from previous prime (148144397) and next prime (148144421).

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

It is a de Polignac number, because none of the positive numbers 2^k-148144409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148144489) 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, 622337 + ... + 622574.

It is an arithmetic number, because the mean of its divisors is an integer number (22408416).

Almost surely, 2^148144409 is an apocalyptic number.

It is an amenable number.

148144409 is a deficient number, since it is larger than the sum of its proper divisors (31122919).

148144409 is a wasteful number, since it uses less digits than its factorization.

148144409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244935.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 148144409 is about 12171.4587868505. The cubic root of 148144409 is about 529.1292323062.

The spelling of 148144409 in words is "one hundred forty-eight million, one hundred forty-four thousand, four hundred nine".