146180449 has 2 divisors, whose sum is σ = 146180450. Its totient is φ = 146180448.

The previous prime is 146180443. The next prime is 146180497. The reversal of 146180449 is 944081641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128414224 + 17766225 = 11332^2 + 4215^2 .

It is a cyclic number.

It is not a de Polignac number, because 146180449 - 2²⁷ = 11962721 is a prime.

It is not a weakly prime, because it can be changed into another prime (146180443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73090224 + 73090225.

It is an arithmetic number, because the mean of its divisors is an integer number (73090225).

Almost surely, 2^146180449 is an apocalyptic number.

It is an amenable number.

146180449 is a deficient number, since it is larger than the sum of its proper divisors (1).

146180449 is an equidigital number, since it uses as much as digits as its factorization.

146180449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 146180449 is about 12090.5107005453. The cubic root of 146180449 is about 526.7805893510.

The spelling of 146180449 in words is "one hundred forty-six million, one hundred eighty thousand, four hundred forty-nine".