145857287143 has 4 divisors (see below), whose sum is σ = 146730684240. Its totient is φ = 144983890048.

The previous prime is 145857287129. The next prime is 145857287167. The reversal of 145857287143 is 341782758541.

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

It is a cyclic number.

It is not a de Polignac number, because 145857287143 - 2⁵ = 145857287111 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 (145857287243) 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, 436698298 + ... + 436698631.

It is an arithmetic number, because the mean of its divisors is an integer number (36682671060).

Almost surely, 2^145857287143 is an apocalyptic number.

145857287143 is a deficient number, since it is larger than the sum of its proper divisors (873397097).

145857287143 is an equidigital number, since it uses as much as digits as its factorization.

145857287143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873397096.

The product of its digits is 7526400, while the sum is 55.

The spelling of 145857287143 in words is "one hundred forty-five billion, eight hundred fifty-seven million, two hundred eighty-seven thousand, one hundred forty-three".