145301143 has 24 divisors (see below), whose sum is σ = 167382432. Its totient is φ = 125144448.

The previous prime is 145301137. The next prime is 145301153. The reversal of 145301143 is 341103541.

145301143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145301143 - 2²⁵ = 111746711 is a prime.

It is a super-2 number, since 2×145301143² = 42224844314212898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145301153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 839805 + ... + 839977.

It is an arithmetic number, because the mean of its divisors is an integer number (6974268).

Almost surely, 2^145301143 is an apocalyptic number.

145301143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145301143 is a deficient number, since it is larger than the sum of its proper divisors (22081289).

145301143 is a wasteful number, since it uses less digits than its factorization.

145301143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 145301143 is about 12054.0923756208. The cubic root of 145301143 is about 525.7222325889.

Adding to 145301143 its reverse (341103541), we get a palindrome (486404684).

The spelling of 145301143 in words is "one hundred forty-five million, three hundred one thousand, one hundred forty-three".