148695843321 has 27 divisors (see below), whose sum is σ = 228190545453. Its totient is φ = 93287013120.

The previous prime is 148695843313. The next prime is 148695843371. The reversal of 148695843321 is 123348596841.

It is a happy number.

The square root of 148695843321 is 385611.

It is a perfect power (a square), and thus also a powerful number.

148695843321 is a `hidden beast` number, since 1 + 4 + 8 + 6 + 9 + 584 + 33 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 57836025 + 148638007296 = 7605^2 + 385536^2 .

It is not a de Polignac number, because 148695843321 - 2³ = 148695843313 is a prime.

It is a super-2 number, since 2×148695843321² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148695843301) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19662381 + ... + 19669941.

Almost surely, 2^148695843321 is an apocalyptic number.

148695843321 is the 385611-st square number.

148695843321 is the 192806-th centered octagonal number.

It is an amenable number.

148695843321 is a deficient number, since it is larger than the sum of its proper divisors (79494702132).

148695843321 is an frugal number, since it uses more digits than its factorization.

148695843321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15162 (or 7581 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

It can be divided in two parts, 148695 and 843321, that added together give a square (992016 = 996²).

The spelling of 148695843321 in words is "one hundred forty-eight billion, six hundred ninety-five million, eight hundred forty-three thousand, three hundred twenty-one".