1445962987 has 16 divisors (see below), whose sum is σ = 1670054400. Its totient is φ = 1226323008.

The previous prime is 1445962981. The next prime is 1445962993. The reversal of 1445962987 is 7892695441.

It is an interprime number because it is at equal distance from previous prime (1445962981) and next prime (1445962993).

It is a de Polignac number, because none of the positive numbers 2^k-1445962987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1445962981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262639 + ... + 268087.

It is an arithmetic number, because the mean of its divisors is an integer number (104378400).

Almost surely, 2^1445962987 is an apocalyptic number.

1445962987 is a deficient number, since it is larger than the sum of its proper divisors (224091413).

1445962987 is a wasteful number, since it uses less digits than its factorization.

1445962987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5850.

The product of its digits is 4354560, while the sum is 55.

The square root of 1445962987 is about 38025.8200043076. The cubic root of 1445962987 is about 1130.7998062858.

The spelling of 1445962987 in words is "one billion, four hundred forty-five million, nine hundred sixty-two thousand, nine hundred eighty-seven".