148191413 has 4 divisors (see below), whose sum is σ = 150278688. Its totient is φ = 146104140.

The previous prime is 148191409. The next prime is 148191427. The reversal of 148191413 is 314191841.

It is a happy number.

148191413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 148191413 - 2² = 148191409 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 148191413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148191403) 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, 1043531 + ... + 1043672.

It is an arithmetic number, because the mean of its divisors is an integer number (37569672).

Almost surely, 2^148191413 is an apocalyptic number.

It is an amenable number.

148191413 is a deficient number, since it is larger than the sum of its proper divisors (2087275).

148191413 is an equidigital number, since it uses as much as digits as its factorization.

148191413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087274.

The product of its digits is 3456, while the sum is 32.

The square root of 148191413 is about 12173.3895444120. The cubic root of 148191413 is about 529.1851879795.

The spelling of 148191413 in words is "one hundred forty-eight million, one hundred ninety-one thousand, four hundred thirteen".