1445679700 has 18 divisors (see below), whose sum is σ = 3137125166. Its totient is φ = 578271840.

The previous prime is 1445679673. The next prime is 1445679709. The reversal of 1445679700 is 79765441.

It can be written as a sum of positive squares in 3 ways, for example, as 1527696 + 1444152004 = 1236^2 + 38002^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445679709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7228299 + ... + 7228498.

Almost surely, 2^1445679700 is an apocalyptic number.

1445679700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445679700 is an abundant number, since it is smaller than the sum of its proper divisors (1691445466).

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

1445679700 is a wasteful number, since it uses less digits than its factorization.

1445679700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14456811 (or 14456804 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 1445679700 is about 38022.0948923123. The cubic root of 1445679700 is about 1130.7259542785.

The spelling of 1445679700 in words is "one billion, four hundred forty-five million, six hundred seventy-nine thousand, seven hundred".