145859894 has 8 divisors (see below), whose sum is σ = 223445088. Its totient is φ = 71378200.

The previous prime is 145859887. The next prime is 145859899. The reversal of 145859894 is 498958541.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145859899) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 775757 + ... + 775944.

It is an arithmetic number, because the mean of its divisors is an integer number (27930636).

Almost surely, 2^145859894 is an apocalyptic number.

145859894 is a deficient number, since it is larger than the sum of its proper divisors (77585194).

145859894 is a wasteful number, since it uses less digits than its factorization.

145859894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551750.

The product of its digits is 2073600, while the sum is 53.

The square root of 145859894 is about 12077.2469545008. The cubic root of 145859894 is about 526.3952534309.

The spelling of 145859894 in words is "one hundred forty-five million, eight hundred fifty-nine thousand, eight hundred ninety-four".