148212973 has 4 divisors (see below), whose sum is σ = 148272768. Its totient is φ = 148153180.

The previous prime is 148212929. The next prime is 148213031. The reversal of 148212973 is 379212841.

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 148212973 - 2²¹ = 146115821 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 (148212913) 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, 26011 + ... + 31192.

It is an arithmetic number, because the mean of its divisors is an integer number (37068192).

Almost surely, 2^148212973 is an apocalyptic number.

It is an amenable number.

148212973 is a deficient number, since it is larger than the sum of its proper divisors (59795).

148212973 is an equidigital number, since it uses as much as digits as its factorization.

148212973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59794.

The product of its digits is 24192, while the sum is 37.

The square root of 148212973 is about 12174.2750502853. The cubic root of 148212973 is about 529.2108500139.

The spelling of 148212973 in words is "one hundred forty-eight million, two hundred twelve thousand, nine hundred seventy-three".