145741918 has 64 divisors (see below), whose sum is σ = 274337280. Its totient is φ = 56659968.

The previous prime is 145741909. The next prime is 145741931. The reversal of 145741918 is 819147541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1362021 + ... + 1362127.

It is an arithmetic number, because the mean of its divisors is an integer number (4286520).

Almost surely, 2^145741918 is an apocalyptic number.

145741918 is a deficient number, since it is larger than the sum of its proper divisors (128595362).

145741918 is a wasteful number, since it uses less digits than its factorization.

145741918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289.

The product of its digits is 40320, while the sum is 40.

The square root of 145741918 is about 12072.3617407697. The cubic root of 145741918 is about 526.2532935552.

The spelling of 145741918 in words is "one hundred forty-five million, seven hundred forty-one thousand, nine hundred eighteen".