145074446 has 16 divisors (see below), whose sum is σ = 238993200. Its totient is φ = 65498880.

The previous prime is 145074431. The next prime is 145074463. The reversal of 145074446 is 644470541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18851 + ... + 25406.

It is an arithmetic number, because the mean of its divisors is an integer number (14937075).

Almost surely, 2^145074446 is an apocalyptic number.

145074446 is a deficient number, since it is larger than the sum of its proper divisors (93918754).

145074446 is a wasteful number, since it uses less digits than its factorization.

145074446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44419.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 145074446 is about 12044.6853840190. The cubic root of 145074446 is about 525.4486818901.

The spelling of 145074446 in words is "one hundred forty-five million, seventy-four thousand, four hundred forty-six".