146868153 has 4 divisors (see below), whose sum is σ = 195824208. Its totient is φ = 97912100.

The previous prime is 146868143. The next prime is 146868167. The reversal of 146868153 is 351868641.

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, and also an emirpimes, since its reverse is a distinct semiprime: 351868641 = 3 ⋅117289547.

It is a cyclic number.

It is not a de Polignac number, because 146868153 - 2¹² = 146864057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146868103) 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, 24478023 + ... + 24478028.

It is an arithmetic number, because the mean of its divisors is an integer number (48956052).

Almost surely, 2^146868153 is an apocalyptic number.

It is an amenable number.

146868153 is a deficient number, since it is larger than the sum of its proper divisors (48956055).

146868153 is an equidigital number, since it uses as much as digits as its factorization.

146868153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48956054.

The product of its digits is 138240, while the sum is 42.

The square root of 146868153 is about 12118.9171545976. The cubic root of 146868153 is about 527.6053747544.

The spelling of 146868153 in words is "one hundred forty-six million, eight hundred sixty-eight thousand, one hundred fifty-three".