148457 has 2 divisors, whose sum is σ = 148458. Its totient is φ = 148456.

The previous prime is 148439. The next prime is 148469. The reversal of 148457 is 754841.

148457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137641 + 10816 = 371^2 + 104^2 .

It is a cyclic number.

It is not a de Polignac number, because 148457 - 2⁸ = 148201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74228 + 74229.

It is an arithmetic number, because the mean of its divisors is an integer number (74229).

2¹⁴⁸⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

148457 is a deficient number, since it is larger than the sum of its proper divisors (1).

148457 is an equidigital number, since it uses as much as digits as its factorization.

148457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 29.

The square root of 148457 is about 385.3011808962. The cubic root of 148457 is about 52.9501132577.

The spelling of 148457 in words is "one hundred forty-eight thousand, four hundred fifty-seven".