148222623 has 4 divisors (see below), whose sum is σ = 197630168. Its totient is φ = 98815080.

The previous prime is 148222621. The next prime is 148222663. The reversal of 148222623 is 326222841.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 148222623 - 2¹ = 148222621 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 (148222621) 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, 24703768 + ... + 24703773.

It is an arithmetic number, because the mean of its divisors is an integer number (49407542).

Almost surely, 2^148222623 is an apocalyptic number.

148222623 is a deficient number, since it is larger than the sum of its proper divisors (49407545).

148222623 is an equidigital number, since it uses as much as digits as its factorization.

148222623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49407544.

The product of its digits is 9216, while the sum is 30.

The square root of 148222623 is about 12174.6713713348. The cubic root of 148222623 is about 529.2223352295. Note that the first 3 decimals are identical.

The spelling of 148222623 in words is "one hundred forty-eight million, two hundred twenty-two thousand, six hundred twenty-three".