145852143 has 4 divisors (see below), whose sum is σ = 194469528. Its totient is φ = 97234760.

The previous prime is 145852141. The next prime is 145852169. The reversal of 145852143 is 341258541.

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 145852143 - 2¹ = 145852141 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145852141) 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, 24308688 + ... + 24308693.

It is an arithmetic number, because the mean of its divisors is an integer number (48617382).

Almost surely, 2^145852143 is an apocalyptic number.

145852143 is a deficient number, since it is larger than the sum of its proper divisors (48617385).

145852143 is an equidigital number, since it uses as much as digits as its factorization.

145852143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48617384.

The product of its digits is 19200, while the sum is 33.

The square root of 145852143 is about 12076.9260575695. The cubic root of 145852143 is about 526.3859290449.

The spelling of 145852143 in words is "one hundred forty-five million, eight hundred fifty-two thousand, one hundred forty-three".