148959973 has 4 divisors (see below), whose sum is σ = 148986720. Its totient is φ = 148933228.

The previous prime is 148959971. The next prime is 148959977. The reversal of 148959973 is 379959841.

148959973 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 148959973 - 2¹ = 148959971 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 (148959971) 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, 1513 + ... + 17326.

It is an arithmetic number, because the mean of its divisors is an integer number (37246680).

Almost surely, 2^148959973 is an apocalyptic number.

It is an amenable number.

148959973 is a deficient number, since it is larger than the sum of its proper divisors (26747).

148959973 is an equidigital number, since it uses as much as digits as its factorization.

148959973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26746.

The product of its digits is 2449440, while the sum is 55.

The square root of 148959973 is about 12204.9159358023. The cubic root of 148959973 is about 530.0984426135.

The spelling of 148959973 in words is "one hundred forty-eight million, nine hundred fifty-nine thousand, nine hundred seventy-three".