143948461 has 4 divisors (see below), whose sum is σ = 144124192. Its totient is φ = 143772732.

The previous prime is 143948443. The next prime is 143948473. The reversal of 143948461 is 164849341.

143948461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 164849341 = 5189 ⋅31769.

It is a cyclic number.

It is not a de Polignac number, because 143948461 - 2⁹ = 143947949 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 (143946461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86631 + ... + 88276.

It is an arithmetic number, because the mean of its divisors is an integer number (36031048).

Almost surely, 2^143948461 is an apocalyptic number.

It is an amenable number.

143948461 is a deficient number, since it is larger than the sum of its proper divisors (175731).

143948461 is an equidigital number, since it uses as much as digits as its factorization.

143948461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175730.

The product of its digits is 82944, while the sum is 40.

The square root of 143948461 is about 11997.8523494832. The cubic root of 143948461 is about 524.0857387917.

The spelling of 143948461 in words is "one hundred forty-three million, nine hundred forty-eight thousand, four hundred sixty-one".