290502145 has 8 divisors (see below), whose sum is σ = 348771456. Its totient is φ = 232289136.

The previous prime is 290502139. The next prime is 290502161. The reversal of 290502145 is 541205092.

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

It is a cyclic number.

It is not a de Polignac number, because 290502145 - 2⁹ = 290501633 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, 1737 + ... + 24166.

It is an arithmetic number, because the mean of its divisors is an integer number (43596432).

Almost surely, 2^290502145 is an apocalyptic number.

It is an amenable number.

290502145 is a deficient number, since it is larger than the sum of its proper divisors (58269311).

290502145 is a wasteful number, since it uses less digits than its factorization.

290502145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28151.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 290502145 is about 17044.1234740892. The cubic root of 290502145 is about 662.2924148490.

The spelling of 290502145 in words is "two hundred ninety million, five hundred two thousand, one hundred forty-five".