145256111 has 48 divisors (see below), whose sum is σ = 202857984. Its totient is φ = 100440000.

The previous prime is 145256087. The next prime is 145256113. The reversal of 145256111 is 111652541.

It is not a de Polignac number, because 145256111 - 2⁶ = 145256047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145256113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 961886 + ... + 962036.

It is an arithmetic number, because the mean of its divisors is an integer number (4226208).

Almost surely, 2^145256111 is an apocalyptic number.

145256111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145256111 is a deficient number, since it is larger than the sum of its proper divisors (57601873).

145256111 is a wasteful number, since it uses less digits than its factorization.

145256111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 213 counting only the distinct ones).

The product of its digits is 1200, while the sum is 26.

The square root of 145256111 is about 12052.2243175274. The cubic root of 145256111 is about 525.6679160404.

The spelling of 145256111 in words is "one hundred forty-five million, two hundred fifty-six thousand, one hundred eleven".