148731425 has 6 divisors (see below), whose sum is σ = 184426998. Its totient is φ = 118985120.

The previous prime is 148731421. The next prime is 148731431. The reversal of 148731425 is 524137841.

148731425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 4635409 + 144096016 = 2153^2 + 12004^2 .

It is not a de Polignac number, because 148731425 - 2² = 148731421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148731421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2974604 + ... + 2974653.

It is an arithmetic number, because the mean of its divisors is an integer number (30737833).

Almost surely, 2^148731425 is an apocalyptic number.

It is an amenable number.

148731425 is a deficient number, since it is larger than the sum of its proper divisors (35695573).

148731425 is an equidigital number, since it uses as much as digits as its factorization.

148731425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5949267 (or 5949262 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 148731425 is about 12195.5493931188. The cubic root of 148731425 is about 529.8271953548.

The spelling of 148731425 in words is "one hundred forty-eight million, seven hundred thirty-one thousand, four hundred twenty-five".