148362421 has 2 divisors, whose sum is σ = 148362422. Its totient is φ = 148362420.

The previous prime is 148362419. The next prime is 148362449. The reversal of 148362421 is 124263841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113422500 + 34939921 = 10650^2 + 5911^2 .

It is a cyclic number.

It is not a de Polignac number, because 148362421 - 2¹ = 148362419 is a prime.

It is a super-3 number, since 3×148362421³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 148362419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148362821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74181210 + 74181211.

It is an arithmetic number, because the mean of its divisors is an integer number (74181211).

Almost surely, 2^148362421 is an apocalyptic number.

It is an amenable number.

148362421 is a deficient number, since it is larger than the sum of its proper divisors (1).

148362421 is an equidigital number, since it uses as much as digits as its factorization.

148362421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 31.

The square root of 148362421 is about 12180.4113641535. The cubic root of 148362421 is about 529.3886638124.

The spelling of 148362421 in words is "one hundred forty-eight million, three hundred sixty-two thousand, four hundred twenty-one".