145506365 has 8 divisors (see below), whose sum is σ = 174694968. Its totient is φ = 116346880.

The previous prime is 145506353. The next prime is 145506433. The reversal of 145506365 is 563605541.

It can be written as a sum of positive squares in 4 ways, for example, as 2775556 + 142730809 = 1666^2 + 11947^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-145506365 is a prime.

It is a Duffinian number.

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, 5885 + ... + 18045.

It is an arithmetic number, because the mean of its divisors is an integer number (21836871).

Almost surely, 2^145506365 is an apocalyptic number.

It is an amenable number.

145506365 is a deficient number, since it is larger than the sum of its proper divisors (29188603).

145506365 is a wasteful number, since it uses less digits than its factorization.

145506365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14559.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 145506365 is about 12062.6019166679. The cubic root of 145506365 is about 525.9696245718.

The spelling of 145506365 in words is "one hundred forty-five million, five hundred six thousand, three hundred sixty-five".