1445398194 has 32 divisors (see below), whose sum is σ = 2919913920. Its totient is φ = 476964800.

The previous prime is 1445398189. The next prime is 1445398243. The reversal of 1445398194 is 4918935441.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360352 + ... + 364340.

It is an arithmetic number, because the mean of its divisors is an integer number (91247310).

Almost surely, 2^1445398194 is an apocalyptic number.

1445398194 is an abundant number, since it is smaller than the sum of its proper divisors (1474515726).

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

1445398194 is a wasteful number, since it uses less digits than its factorization.

1445398194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586.

The product of its digits is 622080, while the sum is 48.

The square root of 1445398194 is about 38018.3928382040. The cubic root of 1445398194 is about 1130.6525570147.

The spelling of 1445398194 in words is "one billion, four hundred forty-five million, three hundred ninety-eight thousand, one hundred ninety-four".