146378473726 has 4 divisors (see below), whose sum is σ = 219567710592. Its totient is φ = 73189236862.

The previous prime is 146378473723. The next prime is 146378473729. The reversal of 146378473726 is 627374873641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 627374873641 = 1999 ⋅313844359.

It is an interprime number because it is at equal distance from previous prime (146378473723) and next prime (146378473729).

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146378473723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36594618430 + ... + 36594618433.

It is an arithmetic number, because the mean of its divisors is an integer number (54891927648).

Almost surely, 2^146378473726 is an apocalyptic number.

146378473726 is a deficient number, since it is larger than the sum of its proper divisors (73189236866).

146378473726 is an equidigital number, since it uses as much as digits as its factorization.

146378473726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73189236865.

The product of its digits is 28449792, while the sum is 58.

The spelling of 146378473726 in words is "one hundred forty-six billion, three hundred seventy-eight million, four hundred seventy-three thousand, seven hundred twenty-six".