146770549 has 2 divisors, whose sum is σ = 146770550. Its totient is φ = 146770548.

The previous prime is 146770543. The next prime is 146770597. The reversal of 146770549 is 945077641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110986225 + 35784324 = 10535^2 + 5982^2 .

It is a cyclic number.

It is not a de Polignac number, because 146770549 - 2¹⁵ = 146737781 is a prime.

It is a super-2 number, since 2×146770549² = 43083188107522802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146770543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73385274 + 73385275.

It is an arithmetic number, because the mean of its divisors is an integer number (73385275).

Almost surely, 2^146770549 is an apocalyptic number.

It is an amenable number.

146770549 is a deficient number, since it is larger than the sum of its proper divisors (1).

146770549 is an equidigital number, since it uses as much as digits as its factorization.

146770549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 146770549 is about 12114.8895578953. The cubic root of 146770549 is about 527.4884721544.

The spelling of 146770549 in words is "one hundred forty-six million, seven hundred seventy thousand, five hundred forty-nine".