1445709830 has 16 divisors (see below), whose sum is σ = 2607930864. Its totient is φ = 577027680.

The previous prime is 1445709823. The next prime is 1445709833. The reversal of 1445709830 is 389075441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445709833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152192 + ... + 161411.

It is an arithmetic number, because the mean of its divisors is an integer number (162995679).

Almost surely, 2^1445709830 is an apocalyptic number.

1445709830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445709830 is a deficient number, since it is larger than the sum of its proper divisors (1162221034).

1445709830 is a wasteful number, since it uses less digits than its factorization.

1445709830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314071.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1445709830 is about 38022.4911072381. The cubic root of 1445709830 is about 1130.7338095308.

The spelling of 1445709830 in words is "one billion, four hundred forty-five million, seven hundred nine thousand, eight hundred thirty".