148343739 has 4 divisors (see below), whose sum is σ = 197791656. Its totient is φ = 98895824.

The previous prime is 148343731. The next prime is 148343743. The reversal of 148343739 is 937343841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148343739 - 2³ = 148343731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148343739.

It is not an unprimeable number, because it can be changed into a prime (148343731) 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, 24723954 + ... + 24723959.

It is an arithmetic number, because the mean of its divisors is an integer number (49447914).

Almost surely, 2^148343739 is an apocalyptic number.

148343739 is a deficient number, since it is larger than the sum of its proper divisors (49447917).

148343739 is an equidigital number, since it uses as much as digits as its factorization.

148343739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49447916.

The product of its digits is 217728, while the sum is 42.

The square root of 148343739 is about 12179.6444529387. The cubic root of 148343739 is about 529.3664424302.

The spelling of 148343739 in words is "one hundred forty-eight million, three hundred forty-three thousand, seven hundred thirty-nine".