148147049 has 4 divisors (see below), whose sum is σ = 148922880. Its totient is φ = 147371220.

The previous prime is 148147039. The next prime is 148147057. The reversal of 148147049 is 940741841.

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 148147049 - 2⁸ = 148146793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148147039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387629 + ... + 388010.

It is an arithmetic number, because the mean of its divisors is an integer number (37230720).

Almost surely, 2^148147049 is an apocalyptic number.

It is an amenable number.

148147049 is a deficient number, since it is larger than the sum of its proper divisors (775831).

148147049 is an equidigital number, since it uses as much as digits as its factorization.

148147049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775830.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 148147049 is about 12171.5672368023. The cubic root of 148147049 is about 529.1323753945.

The spelling of 148147049 in words is "one hundred forty-eight million, one hundred forty-seven thousand, forty-nine".