145302765 has 8 divisors (see below), whose sum is σ = 232484448. Its totient is φ = 77494800.

The previous prime is 145302743. The next prime is 145302769. The reversal of 145302765 is 567203541.

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

It is not a de Polignac number, because 145302765 - 2⁶ = 145302701 is a prime.

It is a super-2 number, since 2×145302765² = 42225787033290450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145302769) 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 7 ways as a sum of consecutive naturals, for example, 4843411 + ... + 4843440.

It is an arithmetic number, because the mean of its divisors is an integer number (29060556).

Almost surely, 2^145302765 is an apocalyptic number.

145302765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145302765 is a deficient number, since it is larger than the sum of its proper divisors (87181683).

145302765 is an equidigital number, since it uses as much as digits as its factorization.

145302765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9686859.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 145302765 is about 12054.1596554882. The cubic root of 145302765 is about 525.7241887980.

The spelling of 145302765 in words is "one hundred forty-five million, three hundred two thousand, seven hundred sixty-five".