145842818 has 8 divisors (see below), whose sum is σ = 238651920. Its totient is φ = 66292180.

The previous prime is 145842791. The next prime is 145842821. The reversal of 145842818 is 818248541.

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

It is a super-2 number, since 2×145842818² = 42540255124362248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3314588 + ... + 3314631.

It is an arithmetic number, because the mean of its divisors is an integer number (29831490).

Almost surely, 2^145842818 is an apocalyptic number.

145842818 is a deficient number, since it is larger than the sum of its proper divisors (92809102).

145842818 is a wasteful number, since it uses less digits than its factorization.

145842818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6629232.

The product of its digits is 81920, while the sum is 41.

The square root of 145842818 is about 12076.5399846148. The cubic root of 145842818 is about 526.3747107126.

The spelling of 145842818 in words is "one hundred forty-five million, eight hundred forty-two thousand, eight hundred eighteen".