145561196 has 12 divisors (see below), whose sum is σ = 277889640. Its totient is φ = 66164160.

The previous prime is 145561139. The next prime is 145561231. The reversal of 145561196 is 691165541.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1654061 + ... + 1654148.

It is an arithmetic number, because the mean of its divisors is an integer number (23157470).

Almost surely, 2^145561196 is an apocalyptic number.

It is an amenable number.

145561196 is a deficient number, since it is larger than the sum of its proper divisors (132328444).

145561196 is a wasteful number, since it uses less digits than its factorization.

145561196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308224 (or 3308222 counting only the distinct ones).

The product of its digits is 32400, while the sum is 38.

The square root of 145561196 is about 12064.8744709591. The cubic root of 145561196 is about 526.0356831224.

The spelling of 145561196 in words is "one hundred forty-five million, five hundred sixty-one thousand, one hundred ninety-six".