765145494 has 64 divisors (see below), whose sum is σ = 1748198400. Its totient is φ = 247968864.

The previous prime is 765145481. The next prime is 765145501. The reversal of 765145494 is 494541567.

765145494 is a `hidden beast` number, since 76 + 51 + 45 + 494 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284484 + ... + 287160.

It is an arithmetic number, because the mean of its divisors is an integer number (27315600).

Almost surely, 2^765145494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 765145494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874099200).

765145494 is an abundant number, since it is smaller than the sum of its proper divisors (983052906).

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

765145494 is a wasteful number, since it uses less digits than its factorization.

765145494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834 (or 2828 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 765145494 is about 27661.2634201694. The cubic root of 765145494 is about 914.6354043240.

The spelling of 765145494 in words is "seven hundred sixty-five million, one hundred forty-five thousand, four hundred ninety-four".