146243153 has 4 divisors (see below), whose sum is σ = 167135040. Its totient is φ = 125351268.

The previous prime is 146243107. The next prime is 146243159. The reversal of 146243153 is 351342641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 146243153 - 2¹² = 146239057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146243159) 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, 10445933 + ... + 10445946.

It is an arithmetic number, because the mean of its divisors is an integer number (41783760).

Almost surely, 2^146243153 is an apocalyptic number.

It is an amenable number.

146243153 is a deficient number, since it is larger than the sum of its proper divisors (20891887).

146243153 is an equidigital number, since it uses as much as digits as its factorization.

146243153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20891886.

The product of its digits is 8640, while the sum is 29.

The square root of 146243153 is about 12093.1035305252. The cubic root of 146243153 is about 526.8558993041.

Adding to 146243153 its reverse (351342641), we get a palindrome (497585794).

The spelling of 146243153 in words is "one hundred forty-six million, two hundred forty-three thousand, one hundred fifty-three".