146543998 has 16 divisors (see below), whose sum is σ = 232560000. Its totient is φ = 69063192.

The previous prime is 146543987. The next prime is 146544007. The reversal of 146543998 is 899345641.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2128 + ... + 17251.

It is an arithmetic number, because the mean of its divisors is an integer number (14535000).

Almost surely, 2^146543998 is an apocalyptic number.

146543998 is a deficient number, since it is larger than the sum of its proper divisors (86016002).

146543998 is a wasteful number, since it uses less digits than its factorization.

146543998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19599.

The product of its digits is 933120, while the sum is 49.

The square root of 146543998 is about 12105.5358410935. The cubic root of 146543998 is about 527.2169268031.

The spelling of 146543998 in words is "one hundred forty-six million, five hundred forty-three thousand, nine hundred ninety-eight".