145846377117 has 40 divisors (see below), whose sum is σ = 249430081472. Its totient is φ = 83194646400.

The previous prime is 145846377091. The next prime is 145846377139. The reversal of 145846377117 is 711773648541.

145846377117 is a `hidden beast` number, since 1 + 458 + 4 + 6 + 3 + 77 + 117 = 666.

It is not a de Polignac number, because 145846377117 - 2¹⁹ = 145845852829 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145846577117) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 98517 + ... + 548997.

Almost surely, 2^145846377117 is an apocalyptic number.

It is an amenable number.

145846377117 is a deficient number, since it is larger than the sum of its proper divisors (103583704355).

145846377117 is an equidigital number, since it uses as much as digits as its factorization.

145846377117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451071 (or 451062 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

The spelling of 145846377117 in words is "one hundred forty-five billion, eight hundred forty-six million, three hundred seventy-seven thousand, one hundred seventeen".