145692618 has 16 divisors (see below), whose sum is σ = 308525760. Its totient is φ = 45707456.

The previous prime is 145692593. The next prime is 145692619. The reversal of 145692618 is 816296541.

It is a self number, because there is not a number n which added to its sum of digits gives 145692618.

It is not an unprimeable number, because it can be changed into a prime (145692619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714078 + ... + 714281.

It is an arithmetic number, because the mean of its divisors is an integer number (19282860).

Almost surely, 2^145692618 is an apocalyptic number.

145692618 is an abundant number, since it is smaller than the sum of its proper divisors (162833142).

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

145692618 is a wasteful number, since it uses less digits than its factorization.

145692618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428381.

The product of its digits is 103680, while the sum is 42.

The square root of 145692618 is about 12070.3197140755. The cubic root of 145692618 is about 526.1939484387.

The spelling of 145692618 in words is "one hundred forty-five million, six hundred ninety-two thousand, six hundred eighteen".