145300618 has 8 divisors (see below), whose sum is σ = 218158020. Its totient is φ = 72581280.

The previous prime is 145300609. The next prime is 145300621. The reversal of 145300618 is 816003541.

It can be written as a sum of positive squares in 2 ways, for example, as 132319009 + 12981609 = 11503^2 + 3603^2 .

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

It is a super-2 number, since 2×145300618² = 42224539182363848, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 31843 + ... + 36118.

Almost surely, 2^145300618 is an apocalyptic number.

145300618 is a deficient number, since it is larger than the sum of its proper divisors (72857402).

145300618 is a wasteful number, since it uses less digits than its factorization.

145300618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69032.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 145300618 is about 12054.0705987646. The cubic root of 145300618 is about 525.7215994108.

It can be divided in two parts, 145 and 300618, that added together give a cube (300763 = 67³).

The spelling of 145300618 in words is "one hundred forty-five million, three hundred thousand, six hundred eighteen".