148284389 has 16 divisors (see below), whose sum is σ = 167512320. Its totient is φ = 130095360.

The previous prime is 148284361. The next prime is 148284449. The reversal of 148284389 is 983482841.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 148284389 - 2¹⁶ = 148218853 is a prime.

It is a super-2 number, since 2×148284389² = 43976520042206642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148284329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35777 + ... + 39705.

It is an arithmetic number, because the mean of its divisors is an integer number (10469520).

Almost surely, 2^148284389 is an apocalyptic number.

It is an amenable number.

148284389 is a deficient number, since it is larger than the sum of its proper divisors (19227931).

148284389 is a wasteful number, since it uses less digits than its factorization.

148284389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060.

The product of its digits is 442368, while the sum is 47.

The square root of 148284389 is about 12177.2077669719. The cubic root of 148284389 is about 529.2958359468.

The spelling of 148284389 in words is "one hundred forty-eight million, two hundred eighty-four thousand, three hundred eighty-nine".