148843437 has 4 divisors (see below), whose sum is σ = 198457920. Its totient is φ = 99228956.

The previous prime is 148843433. The next prime is 148843439. The reversal of 148843437 is 734348841.

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 not a de Polignac number, because 148843437 - 2² = 148843433 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148843433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24807237 + ... + 24807242.

It is an arithmetic number, because the mean of its divisors is an integer number (49614480).

Almost surely, 2^148843437 is an apocalyptic number.

It is an amenable number.

148843437 is a deficient number, since it is larger than the sum of its proper divisors (49614483).

148843437 is an equidigital number, since it uses as much as digits as its factorization.

148843437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49614482.

The product of its digits is 258048, while the sum is 42.

The square root of 148843437 is about 12200.1408598426. The cubic root of 148843437 is about 529.9601690727.

The spelling of 148843437 in words is "one hundred forty-eight million, eight hundred forty-three thousand, four hundred thirty-seven".