145606290 has 32 divisors (see below), whose sum is σ = 350481600. Its totient is φ = 38714304.

The previous prime is 145606267. The next prime is 145606301. The reversal of 145606290 is 92606541.

145606290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3517 + ... + 17423.

It is an arithmetic number, because the mean of its divisors is an integer number (10952550).

Almost surely, 2^145606290 is an apocalyptic number.

145606290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145606290 is an abundant number, since it is smaller than the sum of its proper divisors (204875310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145606290 is a wasteful number, since it uses less digits than its factorization.

145606290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14266.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 145606290 is about 12066.7431397208. The cubic root of 145606290 is about 526.0899984313.

The spelling of 145606290 in words is "one hundred forty-five million, six hundred six thousand, two hundred ninety".