146807449 has 2 divisors, whose sum is σ = 146807450. Its totient is φ = 146807448.

The previous prime is 146807371. The next prime is 146807467. The reversal of 146807449 is 944708641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95942025 + 50865424 = 9795^2 + 7132^2 .

It is a cyclic number.

It is not a de Polignac number, because 146807449 - 2²⁷ = 12589721 is a prime.

It is equal to p_8274778 and since 146807449 and 8274778 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (146807489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73403724 + 73403725.

It is an arithmetic number, because the mean of its divisors is an integer number (73403725).

Almost surely, 2^146807449 is an apocalyptic number.

It is an amenable number.

146807449 is a deficient number, since it is larger than the sum of its proper divisors (1).

146807449 is an equidigital number, since it uses as much as digits as its factorization.

146807449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 146807449 is about 12116.4123815592. The cubic root of 146807449 is about 527.5326742412.

The spelling of 146807449 in words is "one hundred forty-six million, eight hundred seven thousand, four hundred forty-nine".