146090505 has 16 divisors (see below), whose sum is σ = 254994624. Its totient is φ = 70831680.

The previous prime is 146090501. The next prime is 146090509. The reversal of 146090505 is 505090641.

It is an interprime number because it is at equal distance from previous prime (146090501) and next prime (146090509).

It is not a de Polignac number, because 146090505 - 2² = 146090501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146090501) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 442534 + ... + 442863.

It is an arithmetic number, because the mean of its divisors is an integer number (15937164).

Almost surely, 2^146090505 is an apocalyptic number.

146090505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146090505 is a deficient number, since it is larger than the sum of its proper divisors (108904119).

146090505 is a wasteful number, since it uses less digits than its factorization.

146090505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885416.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 146090505 is about 12086.7905169238. The cubic root of 146090505 is about 526.6725254827.

The spelling of 146090505 in words is "one hundred forty-six million, ninety thousand, five hundred five".