145223094 has 8 divisors (see below), whose sum is σ = 290446200. Its totient is φ = 48407696.

The previous prime is 145223087. The next prime is 145223119. The reversal of 145223094 is 490322541.

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

145223094 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12101919 + ... + 12101930.

It is an arithmetic number, because the mean of its divisors is an integer number (36305775).

Almost surely, 2^145223094 is an apocalyptic number.

145223094 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145223094 is a wasteful number, since it uses less digits than its factorization.

145223094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24203854.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 145223094 is about 12050.8544925246. The cubic root of 145223094 is about 525.6280845716.

The spelling of 145223094 in words is "one hundred forty-five million, two hundred twenty-three thousand, ninety-four".