148743649 has 8 divisors (see below), whose sum is σ = 151141760. Its totient is φ = 146358576.

The previous prime is 148743641. The next prime is 148743671. The reversal of 148743649 is 946347841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148743649 - 2³ = 148743641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148743599 and 148743608.

It is not an unprimeable number, because it can be changed into a prime (148743641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21187 + ... + 27319.

It is an arithmetic number, because the mean of its divisors is an integer number (18892720).

Almost surely, 2^148743649 is an apocalyptic number.

It is an amenable number.

148743649 is a deficient number, since it is larger than the sum of its proper divisors (2398111).

148743649 is an equidigital number, since it uses as much as digits as its factorization.

148743649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6519.

The product of its digits is 580608, while the sum is 46.

The square root of 148743649 is about 12196.0505492557. The cubic root of 148743649 is about 529.8417101762.

The spelling of 148743649 in words is "one hundred forty-eight million, seven hundred forty-three thousand, six hundred forty-nine".