1455981867 has 12 divisors (see below), whose sum is σ = 2170926784. Its totient is φ = 939342960.

The previous prime is 1455981841. The next prime is 1455981871. The reversal of 1455981867 is 7681895541.

It is a happy number.

1455981867 is a `hidden beast` number, since 1 + 4 + 559 + 8 + 1 + 86 + 7 = 666.

It is not a de Polignac number, because 1455981867 - 2⁷ = 1455981739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455981827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2609008 + ... + 2609565.

Almost surely, 2^1455981867 is an apocalyptic number.

1455981867 is a deficient number, since it is larger than the sum of its proper divisors (714944917).

1455981867 is a wasteful number, since it uses less digits than its factorization.

1455981867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218610 (or 5218607 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 54.

The square root of 1455981867 is about 38157.3304490762. The cubic root of 1455981867 is about 1133.4055164425.

The spelling of 1455981867 in words is "one billion, four hundred fifty-five million, nine hundred eighty-one thousand, eight hundred sixty-seven".