145191112 has 32 divisors (see below), whose sum is σ = 297763200. Its totient is φ = 65822400.

The previous prime is 145191089. The next prime is 145191121. The reversal of 145191112 is 211191541.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35089 + ... + 39007.

It is an arithmetic number, because the mean of its divisors is an integer number (9305100).

Almost surely, 2^145191112 is an apocalyptic number.

It is an amenable number.

145191112 is an abundant number, since it is smaller than the sum of its proper divisors (152572088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145191112 is a wasteful number, since it uses less digits than its factorization.

145191112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4357 (or 4353 counting only the distinct ones).

The product of its digits is 360, while the sum is 25.

The square root of 145191112 is about 12049.5274596143. The cubic root of 145191112 is about 525.5894959625.

The spelling of 145191112 in words is "one hundred forty-five million, one hundred ninety-one thousand, one hundred twelve".