1445146 has 16 divisors (see below), whose sum is σ = 2270880. Its totient is φ = 689040.

The previous prime is 1445137. The next prime is 1445149. The reversal of 1445146 is 6415441.

It is a super-2 number, since 2×1445146² = 4176893922632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1445146.

It is not an unprimeable number, because it can be changed into a prime (1445149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4201 + ... + 4531.

It is an arithmetic number, because the mean of its divisors is an integer number (141930).

2^1445146 is an apocalyptic number.

1445146 is a deficient number, since it is larger than the sum of its proper divisors (825734).

1445146 is a wasteful number, since it uses less digits than its factorization.

1445146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429.

The product of its digits is 1920, while the sum is 25.

The square root of 1445146 is about 1202.1422544774. The cubic root of 1445146 is about 113.0586794196.

The spelling of 1445146 in words is "one million, four hundred forty-five thousand, one hundred forty-six".