145557834943 has 16 divisors (see below), whose sum is σ = 150458303520. Its totient is φ = 140711040000.

The previous prime is 145557834931. The next prime is 145557835001. The reversal of 145557834943 is 349438755541.

It is a cyclic number.

It is not a de Polignac number, because 145557834943 - 2¹⁷ = 145557703871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145557834743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3779223 + ... + 3817543.

It is an arithmetic number, because the mean of its divisors is an integer number (9403643970).

Almost surely, 2^145557834943 is an apocalyptic number.

145557834943 is a deficient number, since it is larger than the sum of its proper divisors (4900468577).

145557834943 is a wasteful number, since it uses less digits than its factorization.

145557834943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39018.

The product of its digits is 36288000, while the sum is 58.

The spelling of 145557834943 in words is "one hundred forty-five billion, five hundred fifty-seven million, eight hundred thirty-four thousand, nine hundred forty-three".