148925791 has 8 divisors (see below), whose sum is σ = 172741760. Its totient is φ = 125745048.

The previous prime is 148925779. The next prime is 148925863. The reversal of 148925791 is 197529841.

148925791 = 313² + 314² + ... + 781².

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 148925791 - 2⁹ = 148925279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148925741) 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, 158301 + ... + 159238.

It is an arithmetic number, because the mean of its divisors is an integer number (21592720).

Almost surely, 2^148925791 is an apocalyptic number.

148925791 is a deficient number, since it is larger than the sum of its proper divisors (23815969).

148925791 is an equidigital number, since it uses as much as digits as its factorization.

148925791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317613.

The product of its digits is 181440, while the sum is 46.

The square root of 148925791 is about 12203.5155180792. The cubic root of 148925791 is about 530.0578920979.

The spelling of 148925791 in words is "one hundred forty-eight million, nine hundred twenty-five thousand, seven hundred ninety-one".