145613196 has 18 divisors (see below), whose sum is σ = 368077892. Its totient is φ = 48537720.

The previous prime is 145613183. The next prime is 145613213. The reversal of 145613196 is 691316541.

145613196 is a `hidden beast` number, since 1 + 4 + 561 + 3 + 1 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4044811 = 145613196 / (1 + 4 + 5 + 6 + 1 + 3 + 1 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 145613196.

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 5 ways as a sum of consecutive naturals, for example, 2022370 + ... + 2022441.

Almost surely, 2^145613196 is an apocalyptic number.

It is an amenable number.

145613196 is an abundant number, since it is smaller than the sum of its proper divisors (222464696).

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

145613196 is a wasteful number, since it uses less digits than its factorization.

145613196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044821 (or 4044816 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 145613196 is about 12067.0292947353. The cubic root of 145613196 is about 526.0983156546.

The spelling of 145613196 in words is "one hundred forty-five million, six hundred thirteen thousand, one hundred ninety-six".