145115943 has 16 divisors (see below), whose sum is σ = 221836800. Its totient is φ = 82658016.

The previous prime is 145115941. The next prime is 145115959. The reversal of 145115943 is 349511541.

It is not a de Polignac number, because 145115943 - 2¹ = 145115941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145115941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4243 + ... + 17556.

It is an arithmetic number, because the mean of its divisors is an integer number (13864800).

Almost surely, 2^145115943 is an apocalyptic number.

145115943 is a deficient number, since it is larger than the sum of its proper divisors (76720857).

145115943 is a wasteful number, since it uses less digits than its factorization.

145115943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22126.

The product of its digits is 10800, while the sum is 33.

The square root of 145115943 is about 12046.4078878311. The cubic root of 145115943 is about 525.4987767802.

The spelling of 145115943 in words is "one hundred forty-five million, one hundred fifteen thousand, nine hundred forty-three".