145923543 has 6 divisors (see below), whose sum is σ = 210778464. Its totient is φ = 97282356.

The previous prime is 145923539. The next prime is 145923559. The reversal of 145923543 is 345329541.

145923543 is a `hidden beast` number, since 14 + 592 + 3 + 54 + 3 = 666.

It is not a de Polignac number, because 145923543 - 2² = 145923539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145923498 and 145923507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145924543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8106855 + ... + 8106872.

It is an arithmetic number, because the mean of its divisors is an integer number (35129744).

Almost surely, 2^145923543 is an apocalyptic number.

145923543 is a deficient number, since it is larger than the sum of its proper divisors (64854921).

145923543 is a wasteful number, since it uses less digits than its factorization.

145923543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16213733 (or 16213730 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 145923543 is about 12079.8817461099. The cubic root of 145923543 is about 526.4718101372.

The spelling of 145923543 in words is "one hundred forty-five million, nine hundred twenty-three thousand, five hundred forty-three".