145357143 has 4 divisors (see below), whose sum is σ = 193809528. Its totient is φ = 96904760.

The previous prime is 145357141. The next prime is 145357151. The reversal of 145357143 is 341753541.

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 145357143 - 2¹ = 145357141 is a prime.

It is a super-2 number, since 2×145357143² = 42257398042244898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145357141) 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, 24226188 + ... + 24226193.

It is an arithmetic number, because the mean of its divisors is an integer number (48452382).

Almost surely, 2^145357143 is an apocalyptic number.

145357143 is a deficient number, since it is larger than the sum of its proper divisors (48452385).

145357143 is an equidigital number, since it uses as much as digits as its factorization.

145357143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48452384.

The product of its digits is 25200, while the sum is 33.

The square root of 145357143 is about 12056.4150144228. The cubic root of 145357143 is about 525.7897628299.

The spelling of 145357143 in words is "one hundred forty-five million, three hundred fifty-seven thousand, one hundred forty-three".