148592421 has 16 divisors (see below), whose sum is σ = 223240320. Its totient is φ = 97665120.

The previous prime is 148592417. The next prime is 148592441. The reversal of 148592421 is 124295841.

148592421 is a `hidden beast` number, since 1 + 48 + 592 + 4 + 21 = 666.

It is not a de Polignac number, because 148592421 - 2² = 148592417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148592441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36840 + ... + 40673.

It is an arithmetic number, because the mean of its divisors is an integer number (13952520).

Almost surely, 2^148592421 is an apocalyptic number.

It is an amenable number.

148592421 is a deficient number, since it is larger than the sum of its proper divisors (74647899).

148592421 is an equidigital number, since it uses as much as digits as its factorization.

148592421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77593 (or 77587 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 148592421 is about 12189.8490966870. The cubic root of 148592421 is about 529.6620855376.

The spelling of 148592421 in words is "one hundred forty-eight million, five hundred ninety-two thousand, four hundred twenty-one".