145653616 has 10 divisors (see below), whose sum is σ = 282203912. Its totient is φ = 72826800.

The previous prime is 145653587. The next prime is 145653619. The reversal of 145653616 is 616356541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145653619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4551660 + ... + 4551691.

Almost surely, 2^145653616 is an apocalyptic number.

145653616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145653616 is a deficient number, since it is larger than the sum of its proper divisors (136550296).

145653616 is an equidigital number, since it uses as much as digits as its factorization.

145653616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9103359 (or 9103353 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 145653616 is about 12068.7039900728. The cubic root of 145653616 is about 526.1469901044.

It can be divided in two parts, 14565 and 3616, that added together give a palindrome (18181).

The spelling of 145653616 in words is "one hundred forty-five million, six hundred fifty-three thousand, six hundred sixteen".