146725143 has 4 divisors (see below), whose sum is σ = 195633528. Its totient is φ = 97816760.

The previous prime is 146725099. The next prime is 146725157. The reversal of 146725143 is 341527641.

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

It is a cyclic number.

It is not a de Polignac number, because 146725143 - 2⁸ = 146724887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146725193) 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, 24454188 + ... + 24454193.

It is an arithmetic number, because the mean of its divisors is an integer number (48908382).

Almost surely, 2^146725143 is an apocalyptic number.

146725143 is a deficient number, since it is larger than the sum of its proper divisors (48908385).

146725143 is an equidigital number, since it uses as much as digits as its factorization.

146725143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48908384.

The product of its digits is 20160, while the sum is 33.

The square root of 146725143 is about 12113.0154379494. The cubic root of 146725143 is about 527.4340706593.

The spelling of 146725143 in words is "one hundred forty-six million, seven hundred twenty-five thousand, one hundred forty-three".