1445977130 has 32 divisors (see below), whose sum is σ = 2807847504. Its totient is φ = 532970496.

The previous prime is 1445977081. The next prime is 1445977153. The reversal of 1445977130 is 317795441.

It can be written as a sum of positive squares in 8 ways, for example, as 498137761 + 947839369 = 22319^2 + 30787^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67712 + ... + 86468.

Almost surely, 2^1445977130 is an apocalyptic number.

1445977130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445977130 is a deficient number, since it is larger than the sum of its proper divisors (1361870374).

1445977130 is a wasteful number, since it uses less digits than its factorization.

1445977130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19370.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 1445977130 is about 38026.0059695993. The cubic root of 1445977130 is about 1130.8034930675.

The spelling of 1445977130 in words is "one billion, four hundred forty-five million, nine hundred seventy-seven thousand, one hundred thirty".