148438658503 has 4 divisors (see below), whose sum is σ = 148443007608. Its totient is φ = 148434309400.

The previous prime is 148438658497. The next prime is 148438658507. The reversal of 148438658503 is 305856834841.

It is a happy number.

148438658503 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.

It is a cyclic number.

It is not a de Polignac number, because 148438658503 - 2⁵ = 148438658471 is a prime.

It is a super-5 number, since 5×148438658503⁵ (a number of 57 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148438658507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2122948 + ... + 2191753.

It is an arithmetic number, because the mean of its divisors is an integer number (37110751902).

Almost surely, 2^148438658503 is an apocalyptic number.

148438658503 is a deficient number, since it is larger than the sum of its proper divisors (4349105).

148438658503 is an equidigital number, since it uses as much as digits as its factorization.

148438658503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349104.

The product of its (nonzero) digits is 11059200, while the sum is 55.

The spelling of 148438658503 in words is "one hundred forty-eight billion, four hundred thirty-eight million, six hundred fifty-eight thousand, five hundred three".