148820613 has 4 divisors (see below), whose sum is σ = 198427488. Its totient is φ = 99213740.

The previous prime is 148820593. The next prime is 148820657. The reversal of 148820613 is 316028841.

148820613 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 148820613 - 2⁹ = 148820101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148820813) 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, 24803433 + ... + 24803438.

It is an arithmetic number, because the mean of its divisors is an integer number (49606872).

Almost surely, 2^148820613 is an apocalyptic number.

It is an amenable number.

148820613 is a deficient number, since it is larger than the sum of its proper divisors (49606875).

148820613 is an equidigital number, since it uses as much as digits as its factorization.

148820613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49606874.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 148820613 is about 12199.2054249447. The cubic root of 148820613 is about 529.9330792449.

The spelling of 148820613 in words is "one hundred forty-eight million, eight hundred twenty thousand, six hundred thirteen".