145100043 has 24 divisors (see below), whose sum is σ = 229494720. Its totient is φ = 87611760.

The previous prime is 145100041. The next prime is 145100047. The reversal of 145100043 is 340001541.

It is a happy number.

It is not a de Polignac number, because 145100043 - 2¹ = 145100041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145099989 and 145100025.

It is not an unprimeable number, because it can be changed into a prime (145100041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25428 + ... + 30606.

It is an arithmetic number, because the mean of its divisors is an integer number (9562280).

Almost surely, 2^145100043 is an apocalyptic number.

145100043 is a deficient number, since it is larger than the sum of its proper divisors (84394677).

145100043 is a wasteful number, since it uses less digits than its factorization.

145100043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5479 (or 5476 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 145100043 is about 12045.7479219848. The cubic root of 145100043 is about 525.4795835394.

Adding to 145100043 its reverse (340001541), we get a palindrome (485101584).

The spelling of 145100043 in words is "one hundred forty-five million, one hundred thousand, forty-three".