148475291 has 4 divisors (see below), whose sum is σ = 156289800. Its totient is φ = 140660784.

The previous prime is 148475287. The next prime is 148475311. The reversal of 148475291 is 192574841.

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 148475291 - 2² = 148475287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148475231) 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, 3907226 + ... + 3907263.

It is an arithmetic number, because the mean of its divisors is an integer number (39072450).

Almost surely, 2^148475291 is an apocalyptic number.

148475291 is a deficient number, since it is larger than the sum of its proper divisors (7814509).

148475291 is an equidigital number, since it uses as much as digits as its factorization.

148475291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7814508.

The product of its digits is 80640, while the sum is 41.

The square root of 148475291 is about 12185.0437422276. The cubic root of 148475291 is about 529.5228778357.

The spelling of 148475291 in words is "one hundred forty-eight million, four hundred seventy-five thousand, two hundred ninety-one".