146354143 has 4 divisors (see below), whose sum is σ = 157612168. Its totient is φ = 135096120.

The previous prime is 146354141. The next prime is 146354171. The reversal of 146354143 is 341453641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341453641 = 67 ⋅5096323.

It is a cyclic number.

It is not a de Polignac number, because 146354143 - 2¹ = 146354141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146354141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5628993 + ... + 5629018.

It is an arithmetic number, because the mean of its divisors is an integer number (39403042).

Almost surely, 2^146354143 is an apocalyptic number.

146354143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

146354143 is a deficient number, since it is larger than the sum of its proper divisors (11258025).

146354143 is a wasteful number, since it uses less digits than its factorization.

146354143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11258024.

The product of its digits is 17280, while the sum is 31.

The square root of 146354143 is about 12097.6916393170. The cubic root of 146354143 is about 526.9891498714.

The spelling of 146354143 in words is "one hundred forty-six million, three hundred fifty-four thousand, one hundred forty-three".