145116653 has 4 divisors (see below), whose sum is σ = 158309088. Its totient is φ = 131924220.

The previous prime is 145116649. The next prime is 145116659. The reversal of 145116653 is 356611541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145116653 - 2² = 145116649 is a prime.

It is a super-3 number, since 3×145116653³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145116659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6596201 + ... + 6596222.

It is an arithmetic number, because the mean of its divisors is an integer number (39577272).

Almost surely, 2^145116653 is an apocalyptic number.

It is an amenable number.

145116653 is a deficient number, since it is larger than the sum of its proper divisors (13192435).

145116653 is a wasteful number, since it uses less digits than its factorization.

145116653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13192434.

The product of its digits is 10800, while the sum is 32.

The square root of 145116653 is about 12046.4373571608. The cubic root of 145116653 is about 525.4996338042.

The spelling of 145116653 in words is "one hundred forty-five million, one hundred sixteen thousand, six hundred fifty-three".