1445400938 has 8 divisors (see below), whose sum is σ = 2169192000. Its totient is φ = 722336940.

The previous prime is 1445400907. The next prime is 1445400941. The reversal of 1445400938 is 8390045441.

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

It is a Curzon 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, 176768 + ... + 184763.

It is an arithmetic number, because the mean of its divisors is an integer number (271149000).

Almost surely, 2^1445400938 is an apocalyptic number.

1445400938 is a deficient number, since it is larger than the sum of its proper divisors (723791062).

1445400938 is a wasteful number, since it uses less digits than its factorization.

1445400938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363532.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1445400938 is about 38018.4289259827. The cubic root of 1445400938 is about 1130.6532725058.

The spelling of 1445400938 in words is "one billion, four hundred forty-five million, four hundred thousand, nine hundred thirty-eight".