146652493 has 8 divisors (see below), whose sum is σ = 158042808. Its totient is φ = 135277824.

The previous prime is 146652487. The next prime is 146652511. The reversal of 146652493 is 394256641.

It can be written as a sum of positive squares in 4 ways, for example, as 54434884 + 92217609 = 7378^2 + 9603^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146652493 - 2⁵ = 146652461 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 (146652433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21921 + ... + 27817.

It is an arithmetic number, because the mean of its divisors is an integer number (19755351).

Almost surely, 2^146652493 is an apocalyptic number.

146652493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

146652493 is a deficient number, since it is larger than the sum of its proper divisors (11390315).

146652493 is a wasteful number, since it uses less digits than its factorization.

146652493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7823.

The product of its digits is 155520, while the sum is 40.

The square root of 146652493 is about 12110.0162262484. The cubic root of 146652493 is about 527.3470044380.

The spelling of 146652493 in words is "one hundred forty-six million, six hundred fifty-two thousand, four hundred ninety-three".