145818546 has 8 divisors (see below), whose sum is σ = 291637104. Its totient is φ = 48606180.

The previous prime is 145818539. The next prime is 145818557. The reversal of 145818546 is 645818541.

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

145818546 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 145818498 and 145818507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12151540 + ... + 12151551.

It is an arithmetic number, because the mean of its divisors is an integer number (36454638).

Almost surely, 2^145818546 is an apocalyptic number.

145818546 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.

145818546 is a wasteful number, since it uses less digits than its factorization.

145818546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24303096.

The product of its digits is 153600, while the sum is 42.

The square root of 145818546 is about 12075.5350192031. The cubic root of 145818546 is about 526.3455083243.

The spelling of 145818546 in words is "one hundred forty-five million, eight hundred eighteen thousand, five hundred forty-six".