146790505 has 8 divisors (see below), whose sum is σ = 176257224. Its totient is φ = 117360000.

The previous prime is 146790499. The next prime is 146790521. The reversal of 146790505 is 505097641.

It can be written as a sum of positive squares in 4 ways, for example, as 12902464 + 133888041 = 3592^2 + 11571^2 .

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

It is not a de Polignac number, because 146790505 - 2⁵ = 146790473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855 + ... + 17155.

It is an arithmetic number, because the mean of its divisors is an integer number (22032153).

Almost surely, 2^146790505 is an apocalyptic number.

It is an amenable number.

146790505 is a deficient number, since it is larger than the sum of its proper divisors (29466719).

146790505 is a wasteful number, since it uses less digits than its factorization.

146790505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18107.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 146790505 is about 12115.7131445078. The cubic root of 146790505 is about 527.5123781377.

The spelling of 146790505 in words is "one hundred forty-six million, seven hundred ninety thousand, five hundred five".