146923151 has 4 divisors (see below), whose sum is σ = 147896304. Its totient is φ = 145950000.

The previous prime is 146923141. The next prime is 146923177. The reversal of 146923151 is 151329641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151329641 = 4933 ⋅30677.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146923151 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 (146923111) 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, 486350 + ... + 486651.

It is an arithmetic number, because the mean of its divisors is an integer number (36974076).

Almost surely, 2^146923151 is an apocalyptic number.

146923151 is a deficient number, since it is larger than the sum of its proper divisors (973153).

146923151 is an equidigital number, since it uses as much as digits as its factorization.

146923151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973152.

The product of its digits is 6480, while the sum is 32.

The square root of 146923151 is about 12121.1860393280. The cubic root of 146923151 is about 527.6712243356.

The spelling of 146923151 in words is "one hundred forty-six million, nine hundred twenty-three thousand, one hundred fifty-one".