145632502765 has 4 divisors (see below), whose sum is σ = 174759003324. Its totient is φ = 116506002208.

The previous prime is 145632502747. The next prime is 145632502777. The reversal of 145632502765 is 567205236541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44888473161 + 100744029604 = 211869^2 + 317402^2 .

It is a cyclic number.

It is not a de Polignac number, because 145632502765 - 2⁷ = 145632502637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14563250272 + ... + 14563250281.

It is an arithmetic number, because the mean of its divisors is an integer number (43689750831).

Almost surely, 2^145632502765 is an apocalyptic number.

It is an amenable number.

145632502765 is a deficient number, since it is larger than the sum of its proper divisors (29126500559).

145632502765 is an equidigital number, since it uses as much as digits as its factorization.

145632502765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29126500558.

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 145632502765 in words is "one hundred forty-five billion, six hundred thirty-two million, five hundred two thousand, seven hundred sixty-five".