146526973 has 2 divisors, whose sum is σ = 146526974. Its totient is φ = 146526972.

The previous prime is 146526971. The next prime is 146526979. The reversal of 146526973 is 379625641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128097124 + 18429849 = 11318^2 + 4293^2 .

It is an emirp because it is prime and its reverse (379625641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146526973 - 2¹ = 146526971 is a prime.

Together with 146526971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146526971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73263486 + 73263487.

It is an arithmetic number, because the mean of its divisors is an integer number (73263487).

Almost surely, 2^146526973 is an apocalyptic number.

It is an amenable number.

146526973 is a deficient number, since it is larger than the sum of its proper divisors (1).

146526973 is an equidigital number, since it uses as much as digits as its factorization.

146526973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 146526973 is about 12104.8326299871. The cubic root of 146526973 is about 527.1965092359.

The spelling of 146526973 in words is "one hundred forty-six million, five hundred twenty-six thousand, nine hundred seventy-three".