146817172 has 6 divisors (see below), whose sum is σ = 256930058. Its totient is φ = 73408584.

The previous prime is 146817157. The next prime is 146817173. The reversal of 146817172 is 271718641.

It can be written as a sum of positive squares in only one way, i.e., 117592336 + 29224836 = 10844^2 + 5406^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146817173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18352143 + ... + 18352150.

Almost surely, 2^146817172 is an apocalyptic number.

It is an amenable number.

146817172 is a deficient number, since it is larger than the sum of its proper divisors (110112886).

146817172 is a wasteful number, since it uses less digits than its factorization.

146817172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36704297 (or 36704295 counting only the distinct ones).

The product of its digits is 18816, while the sum is 37.

The square root of 146817172 is about 12116.8136075455. The cubic root of 146817172 is about 527.5443200784.

It can be divided in two parts, 14 and 6817172, that added together give a palindrome (6817186).

The spelling of 146817172 in words is "one hundred forty-six million, eight hundred seventeen thousand, one hundred seventy-two".