145716018 has 32 divisors (see below), whose sum is σ = 333434880. Its totient is φ = 41586960.

The previous prime is 145715963. The next prime is 145716037. The reversal of 145716018 is 810617541.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 145716018.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59233 + ... + 61643.

It is an arithmetic number, because the mean of its divisors is an integer number (10419840).

Almost surely, 2^145716018 is an apocalyptic number.

145716018 is an abundant number, since it is smaller than the sum of its proper divisors (187718862).

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

145716018 is a wasteful number, since it uses less digits than its factorization.

145716018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 145716018 is about 12071.2889949665. The cubic root of 145716018 is about 526.2221179722. Note that the first 3 decimals are identical.

The spelling of 145716018 in words is "one hundred forty-five million, seven hundred sixteen thousand, eighteen".