146347172 has 6 divisors (see below), whose sum is σ = 256107558. Its totient is φ = 73173584.

The previous prime is 146347147. The next prime is 146347181. The reversal of 146347172 is 271743641.

It can be written as a sum of positive squares in only one way, i.e., 112869376 + 33477796 = 10624^2 + 5786^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18293393 + ... + 18293400.

It is an arithmetic number, because the mean of its divisors is an integer number (42684593).

Almost surely, 2^146347172 is an apocalyptic number.

It is an amenable number.

146347172 is a deficient number, since it is larger than the sum of its proper divisors (109760386).

146347172 is a wasteful number, since it uses less digits than its factorization.

146347172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36586797 (or 36586795 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 146347172 is about 12097.4035230706. The cubic root of 146347172 is about 526.9807827248.

The spelling of 146347172 in words is "one hundred forty-six million, three hundred forty-seven thousand, one hundred seventy-two".