148969973 has 8 divisors (see below), whose sum is σ = 155189760. Its totient is φ = 142838640.

The previous prime is 148969969. The next prime is 148969979. The reversal of 148969973 is 379969841.

148969973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148969973 - 2² = 148969969 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 (148969979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18665 + ... + 25422.

It is an arithmetic number, because the mean of its divisors is an integer number (19398720).

Almost surely, 2^148969973 is an apocalyptic number.

It is an amenable number.

148969973 is a deficient number, since it is larger than the sum of its proper divisors (6219787).

148969973 is a wasteful number, since it uses less digits than its factorization.

148969973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44227.

The product of its digits is 2939328, while the sum is 56.

The square root of 148969973 is about 12205.3255999174. The cubic root of 148969973 is about 530.1103045603.

The spelling of 148969973 in words is "one hundred forty-eight million, nine hundred sixty-nine thousand, nine hundred seventy-three".