145614653 has 4 divisors (see below), whose sum is σ = 145660188. Its totient is φ = 145569120.

The previous prime is 145614607. The next prime is 145614659. The reversal of 145614653 is 356416541.

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 14122564 + 131492089 = 3758^2 + 11467^2 .

It is a cyclic number.

It is not a de Polignac number, because 145614653 - 2⁶ = 145614589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145614659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17576 + ... + 24497.

It is an arithmetic number, because the mean of its divisors is an integer number (36415047).

Almost surely, 2^145614653 is an apocalyptic number.

It is an amenable number.

145614653 is a deficient number, since it is larger than the sum of its proper divisors (45535).

145614653 is an equidigital number, since it uses as much as digits as its factorization.

145614653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45534.

The product of its digits is 43200, while the sum is 35.

The square root of 145614653 is about 12067.0896656982. The cubic root of 145614653 is about 526.1000703552.

The spelling of 145614653 in words is "one hundred forty-five million, six hundred fourteen thousand, six hundred fifty-three".