148477 has 4 divisors (see below), whose sum is σ = 169696. Its totient is φ = 127260.

The previous prime is 148471. The next prime is 148483. The reversal of 148477 is 774841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 774841 = 113 ⋅6857.

It is an interprime number because it is at equal distance from previous prime (148471) and next prime (148483).

It is not a de Polignac number, because 148477 - 2³ = 148469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10599 + ... + 10612.

It is an arithmetic number, because the mean of its divisors is an integer number (42424).

2¹⁴⁸⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

148477 is a deficient number, since it is larger than the sum of its proper divisors (21219).

148477 is an equidigital number, since it uses as much as digits as its factorization.

148477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21218.

The product of its digits is 6272, while the sum is 31.

The square root of 148477 is about 385.3271337448. The cubic root of 148477 is about 52.9524909489.

It can be divided in two parts, 148 and 477, that added together give a 4-th power (625 = 5⁴).

The spelling of 148477 in words is "one hundred forty-eight thousand, four hundred seventy-seven".