146442049 has 12 divisors (see below), whose sum is σ = 159845376. Its totient is φ = 134093232.

The previous prime is 146442017. The next prime is 146442053. The reversal of 146442049 is 940244641.

It is not a de Polignac number, because 146442049 - 2⁵ = 146442017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146442089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18052 + ... + 24874.

It is an arithmetic number, because the mean of its divisors is an integer number (13320448).

Almost surely, 2^146442049 is an apocalyptic number.

It is an amenable number.

146442049 is a deficient number, since it is larger than the sum of its proper divisors (13403327).

146442049 is a wasteful number, since it uses less digits than its factorization.

146442049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6976 (or 6963 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 146442049 is about 12101.3242663768. The cubic root of 146442049 is about 527.0946388253.

The spelling of 146442049 in words is "one hundred forty-six million, four hundred forty-two thousand, forty-nine".