148540143 has 4 divisors (see below), whose sum is σ = 198053528. Its totient is φ = 99026760.

The previous prime is 148540129. The next prime is 148540151. The reversal of 148540143 is 341045841.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 148540143 - 2⁸ = 148539887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148540143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148540153) 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, 24756688 + ... + 24756693.

It is an arithmetic number, because the mean of its divisors is an integer number (49513382).

Almost surely, 2^148540143 is an apocalyptic number.

148540143 is a deficient number, since it is larger than the sum of its proper divisors (49513385).

148540143 is an equidigital number, since it uses as much as digits as its factorization.

148540143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49513384.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 148540143 is about 12187.7045828983. The cubic root of 148540143 is about 529.5999627586.

Adding to 148540143 its reverse (341045841), we get a palindrome (489585984).

The spelling of 148540143 in words is "one hundred forty-eight million, five hundred forty thousand, one hundred forty-three".