145945765 has 48 divisors (see below), whose sum is σ = 219350592. Its totient is φ = 92606976.

The previous prime is 145945759. The next prime is 145945819. The reversal of 145945765 is 567549541.

145945765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145945765 - 2³ = 145945757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 278794 + ... + 279316.

It is an arithmetic number, because the mean of its divisors is an integer number (4569804).

Almost surely, 2^145945765 is an apocalyptic number.

It is an amenable number.

145945765 is a deficient number, since it is larger than the sum of its proper divisors (73404827).

145945765 is a wasteful number, since it uses less digits than its factorization.

145945765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 619 counting only the distinct ones).

The product of its digits is 756000, while the sum is 46.

The square root of 145945765 is about 12080.8015048671. The cubic root of 145945765 is about 526.4985334073.

The spelling of 145945765 in words is "one hundred forty-five million, nine hundred forty-five thousand, seven hundred sixty-five".