148101791 has 4 divisors (see below), whose sum is σ = 148192512. Its totient is φ = 148011072.

The previous prime is 148101781. The next prime is 148101817. The reversal of 148101791 is 197101841.

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 148101791 - 2¹⁸ = 147839647 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 (148101781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42866 + ... + 46191.

It is an arithmetic number, because the mean of its divisors is an integer number (37048128).

Almost surely, 2^148101791 is an apocalyptic number.

148101791 is a deficient number, since it is larger than the sum of its proper divisors (90721).

148101791 is an equidigital number, since it uses as much as digits as its factorization.

148101791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90720.

The product of its (nonzero) digits is 2016, while the sum is 32.

The square root of 148101791 is about 12169.7079258296. The cubic root of 148101791 is about 529.0784876925.

Subtracting 148101791 from its reverse (197101841), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 148101791 in words is "one hundred forty-eight million, one hundred one thousand, seven hundred ninety-one".