145477518 has 8 divisors (see below), whose sum is σ = 290955048. Its totient is φ = 48492504.

The previous prime is 145477489. The next prime is 145477567. The reversal of 145477518 is 815774541.

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

145477518 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 145477518.

It is a congruent number.

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, 12123121 + ... + 12123132.

It is an arithmetic number, because the mean of its divisors is an integer number (36369381).

Almost surely, 2^145477518 is an apocalyptic number.

145477518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145477518 is a wasteful number, since it uses less digits than its factorization.

145477518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24246258.

The product of its digits is 156800, while the sum is 42.

The square root of 145477518 is about 12061.4061369311. The cubic root of 145477518 is about 525.9348640110.

The spelling of 145477518 in words is "one hundred forty-five million, four hundred seventy-seven thousand, five hundred eighteen".