146392723457 has 2 divisors, whose sum is σ = 146392723458. Its totient is φ = 146392723456.

The previous prime is 146392723423. The next prime is 146392723507. The reversal of 146392723457 is 754327293641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127060879936 + 19331843521 = 356456^2 + 139039^2 .

It is a cyclic number.

It is not a de Polignac number, because 146392723457 - 2¹⁰ = 146392722433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146392723399 and 146392723408.

It is not a weakly prime, because it can be changed into another prime (146392723417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73196361728 + 73196361729.

It is an arithmetic number, because the mean of its divisors is an integer number (73196361729).

Almost surely, 2^146392723457 is an apocalyptic number.

It is an amenable number.

146392723457 is a deficient number, since it is larger than the sum of its proper divisors (1).

146392723457 is an equidigital number, since it uses as much as digits as its factorization.

146392723457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 53.

The spelling of 146392723457 in words is "one hundred forty-six billion, three hundred ninety-two million, seven hundred twenty-three thousand, four hundred fifty-seven".