145155143 has 8 divisors (see below), whose sum is σ = 169749888. Its totient is φ = 121524984.

The previous prime is 145155103. The next prime is 145155149. The reversal of 145155143 is 341551541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145155143 - 2²² = 140960839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145155149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240821 + ... + 241422.

It is an arithmetic number, because the mean of its divisors is an integer number (21218736).

Almost surely, 2^145155143 is an apocalyptic number.

145155143 is a deficient number, since it is larger than the sum of its proper divisors (24594745).

145155143 is an equidigital number, since it uses as much as digits as its factorization.

145155143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482293.

The product of its digits is 6000, while the sum is 29.

The square root of 145155143 is about 12048.0348190068. The cubic root of 145155143 is about 525.5460899769.

The spelling of 145155143 in words is "one hundred forty-five million, one hundred fifty-five thousand, one hundred forty-three".