146038897 has 4 divisors (see below), whose sum is σ = 146125476. Its totient is φ = 145952320.

The previous prime is 146038831. The next prime is 146038901. The reversal of 146038897 is 798830641.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75881521 + 70157376 = 8711^2 + 8376^2 .

It is a cyclic number.

It is not a de Polignac number, because 146038897 - 2²⁷ = 11821169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146038817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40708 + ... + 44149.

It is an arithmetic number, because the mean of its divisors is an integer number (36531369).

Almost surely, 2^146038897 is an apocalyptic number.

It is an amenable number.

146038897 is a deficient number, since it is larger than the sum of its proper divisors (86579).

146038897 is an equidigital number, since it uses as much as digits as its factorization.

146038897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86578.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 146038897 is about 12084.6554357168. The cubic root of 146038897 is about 526.6105006511.

The spelling of 146038897 in words is "one hundred forty-six million, thirty-eight thousand, eight hundred ninety-seven".