146338945691 has 4 divisors (see below), whose sum is σ = 146349350952. Its totient is φ = 146328540432.

The previous prime is 146338945679. The next prime is 146338945721. The reversal of 146338945691 is 196549833641.

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

It is a cyclic number.

It is not a de Polignac number, because 146338945691 - 2¹⁰ = 146338944667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146338945691.

It is not an unprimeable number, because it can be changed into a prime (146338945661) 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, 5181506 + ... + 5209671.

It is an arithmetic number, because the mean of its divisors is an integer number (36587337738).

Almost surely, 2^146338945691 is an apocalyptic number.

146338945691 is a deficient number, since it is larger than the sum of its proper divisors (10405261).

146338945691 is a wasteful number, since it uses less digits than its factorization.

146338945691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10405260.

The product of its digits is 16796160, while the sum is 59.

The spelling of 146338945691 in words is "one hundred forty-six billion, three hundred thirty-eight million, nine hundred forty-five thousand, six hundred ninety-one".