145332618 has 32 divisors (see below), whose sum is σ = 298553472. Its totient is φ = 47136000.

The previous prime is 145332611. The next prime is 145332623. The reversal of 145332618 is 816233541.

It is a super-2 number, since 2×145332618² = 42243139709467848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145332611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147355 + ... + 148337.

It is an arithmetic number, because the mean of its divisors is an integer number (9329796).

Almost surely, 2^145332618 is an apocalyptic number.

145332618 is an abundant number, since it is smaller than the sum of its proper divisors (153220854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145332618 is a wasteful number, since it uses less digits than its factorization.

145332618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630.

The product of its digits is 17280, while the sum is 33.

The square root of 145332618 is about 12055.3978781291. The cubic root of 145332618 is about 525.7601903371.

The spelling of 145332618 in words is "one hundred forty-five million, three hundred thirty-two thousand, six hundred eighteen".