145871730146 has 8 divisors (see below), whose sum is σ = 219005973504. Its totient is φ = 72869738980.

The previous prime is 145871730143. The next prime is 145871730161. The reversal of 145871730146 is 641037178541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 145871730146.

It is not an unprimeable number, because it can be changed into a prime (145871730143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33060290 + ... + 33064701.

It is an arithmetic number, because the mean of its divisors is an integer number (27375746688).

Almost surely, 2^145871730146 is an apocalyptic number.

145871730146 is a deficient number, since it is larger than the sum of its proper divisors (73134243358).

145871730146 is a wasteful number, since it uses less digits than its factorization.

145871730146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66126096.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 145871730146 in words is "one hundred forty-five billion, eight hundred seventy-one million, seven hundred thirty thousand, one hundred forty-six".