148974005 has 4 divisors (see below), whose sum is σ = 178768812. Its totient is φ = 119179200.

The previous prime is 148973989. The next prime is 148974019. The reversal of 148974005 is 500479841.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49014001 + 99960004 = 7001^2 + 9998^2 .

It is not a de Polignac number, because 148974005 - 2⁴ = 148973989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148974005.

It is a congruent number.

It is an unprimeable number.

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, 14897396 + ... + 14897405.

It is an arithmetic number, because the mean of its divisors is an integer number (44692203).

Almost surely, 2^148974005 is an apocalyptic number.

It is an amenable number.

148974005 is a deficient number, since it is larger than the sum of its proper divisors (29794807).

148974005 is an equidigital number, since it uses as much as digits as its factorization.

148974005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29794806.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 148974005 is about 12205.4907725990. The cubic root of 148974005 is about 530.1150871471.

The spelling of 148974005 in words is "one hundred forty-eight million, nine hundred seventy-four thousand, five".