146346524021 has 2 divisors, whose sum is σ = 146346524022. Its totient is φ = 146346524020.

The previous prime is 146346523993. The next prime is 146346524033. The reversal of 146346524021 is 120425643641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145626192100 + 720331921 = 381610^2 + 26839^2 .

It is a cyclic number.

It is not a de Polignac number, because 146346524021 - 2²⁶ = 146279415157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146346524041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73173262010 + 73173262011.

It is an arithmetic number, because the mean of its divisors is an integer number (73173262011).

Almost surely, 2^146346524021 is an apocalyptic number.

It is an amenable number.

146346524021 is a deficient number, since it is larger than the sum of its proper divisors (1).

146346524021 is an equidigital number, since it uses as much as digits as its factorization.

146346524021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 146346524021 in words is "one hundred forty-six billion, three hundred forty-six million, five hundred twenty-four thousand, twenty-one".