146973061 has 2 divisors, whose sum is σ = 146973062. Its totient is φ = 146973060.

The previous prime is 146973031. The next prime is 146973067. The reversal of 146973061 is 160379641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132112036 + 14861025 = 11494^2 + 3855^2 .

It is a cyclic number.

It is not a de Polignac number, because 146973061 - 2⁷ = 146972933 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146973061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146973067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73486530 + 73486531.

It is an arithmetic number, because the mean of its divisors is an integer number (73486531).

Almost surely, 2^146973061 is an apocalyptic number.

It is an amenable number.

146973061 is a deficient number, since it is larger than the sum of its proper divisors (1).

146973061 is an equidigital number, since it uses as much as digits as its factorization.

146973061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 146973061 is about 12123.2446564441. The cubic root of 146973061 is about 527.7309677889.

The spelling of 146973061 in words is "one hundred forty-six million, nine hundred seventy-three thousand, sixty-one".