148727421 has 24 divisors (see below), whose sum is σ = 234517920. Its totient is φ = 93930192.

The previous prime is 148727419. The next prime is 148727437. The reversal of 148727421 is 124727841.

It is not a de Polignac number, because 148727421 - 2¹ = 148727419 is a prime.

It is a super-2 number, since 2×148727421² = 44239691514622482, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148727401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11490 + ... + 20723.

It is an arithmetic number, because the mean of its divisors is an integer number (9771580).

Almost surely, 2^148727421 is an apocalyptic number.

It is an amenable number.

148727421 is a deficient number, since it is larger than the sum of its proper divisors (85790499).

148727421 is an equidigital number, since it uses as much as digits as its factorization.

148727421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32247 (or 32235 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 148727421 is about 12195.3852337677. The cubic root of 148727421 is about 529.8224408179.

The spelling of 148727421 in words is "one hundred forty-eight million, seven hundred twenty-seven thousand, four hundred twenty-one".