148404539 has 4 divisors (see below), whose sum is σ = 148468800. Its totient is φ = 148340280.

The previous prime is 148404527. The next prime is 148404541. The reversal of 148404539 is 935404841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 935404841 = 7 ⋅133629263.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148404539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148404559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28532 + ... + 33329.

It is an arithmetic number, because the mean of its divisors is an integer number (37117200).

Almost surely, 2^148404539 is an apocalyptic number.

148404539 is a deficient number, since it is larger than the sum of its proper divisors (64261).

148404539 is an equidigital number, since it uses as much as digits as its factorization.

148404539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64260.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 148404539 is about 12182.1401650121. The cubic root of 148404539 is about 529.4387543991.

The spelling of 148404539 in words is "one hundred forty-eight million, four hundred four thousand, five hundred thirty-nine".