146249315 has 4 divisors (see below), whose sum is σ = 175499184. Its totient is φ = 116999448.

The previous prime is 146249309. The next prime is 146249329. The reversal of 146249315 is 513942641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513942641 = 101 ⋅5088541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146249315 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14624927 + ... + 14624936.

It is an arithmetic number, because the mean of its divisors is an integer number (43874796).

Almost surely, 2^146249315 is an apocalyptic number.

146249315 is a deficient number, since it is larger than the sum of its proper divisors (29249869).

146249315 is an equidigital number, since it uses as much as digits as its factorization.

146249315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29249868.

The product of its digits is 25920, while the sum is 35.

The square root of 146249315 is about 12093.3583011503. The cubic root of 146249315 is about 526.8632989450.

The spelling of 146249315 in words is "one hundred forty-six million, two hundred forty-nine thousand, three hundred fifteen".