146553142 has 4 divisors (see below), whose sum is σ = 219829716. Its totient is φ = 73276570.

The previous prime is 146553139. The next prime is 146553149. The reversal of 146553142 is 241355641.

It is a happy number.

146553142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146553149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36638284 + ... + 36638287.

It is an arithmetic number, because the mean of its divisors is an integer number (54957429).

Almost surely, 2^146553142 is an apocalyptic number.

146553142 is a deficient number, since it is larger than the sum of its proper divisors (73276574).

146553142 is an equidigital number, since it uses as much as digits as its factorization.

146553142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73276573.

The product of its digits is 14400, while the sum is 31.

The square root of 146553142 is about 12105.9135136511. The cubic root of 146553142 is about 527.2278922728.

The spelling of 146553142 in words is "one hundred forty-six million, five hundred fifty-three thousand, one hundred forty-two".