145764894 has 16 divisors (see below), whose sum is σ = 318032640. Its totient is φ = 44171160.

The previous prime is 145764847. The next prime is 145764943. The reversal of 145764894 is 498467541.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1104214 + ... + 1104345.

It is an arithmetic number, because the mean of its divisors is an integer number (19877040).

Almost surely, 2^145764894 is an apocalyptic number.

145764894 is an abundant number, since it is smaller than the sum of its proper divisors (172267746).

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

145764894 is a wasteful number, since it uses less digits than its factorization.

145764894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208575.

The product of its digits is 967680, while the sum is 48.

The square root of 145764894 is about 12073.3132983452. The cubic root of 145764894 is about 526.2809464558.

The spelling of 145764894 in words is "one hundred forty-five million, seven hundred sixty-four thousand, eight hundred ninety-four".