146009995897 has 4 divisors (see below), whose sum is σ = 146016542116. Its totient is φ = 146003449680.

The previous prime is 146009995871. The next prime is 146009995909. The reversal of 146009995897 is 798599900641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90397036921 + 55612958976 = 300661^2 + 235824^2 .

It is a cyclic number.

It is not a de Polignac number, because 146009995897 - 2¹¹ = 146009993849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146009995997) 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, 3239538 + ... + 3284299.

It is an arithmetic number, because the mean of its divisors is an integer number (36504135529).

Almost surely, 2^146009995897 is an apocalyptic number.

It is an amenable number.

146009995897 is a deficient number, since it is larger than the sum of its proper divisors (6546219).

146009995897 is an equidigital number, since it uses as much as digits as its factorization.

146009995897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6546218.

The product of its (nonzero) digits is 44089920, while the sum is 67.

The spelling of 146009995897 in words is "one hundred forty-six billion, nine million, nine hundred ninety-five thousand, eight hundred ninety-seven".