1455213875 has 8 divisors (see below), whose sum is σ = 1816107072. Its totient is φ = 1164171000.

The previous prime is 1455213871. The next prime is 1455213913. The reversal of 1455213875 is 5783125541.

It is a happy number.

It is not a de Polignac number, because 1455213875 - 2² = 1455213871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455213871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5820731 + ... + 5820980.

It is an arithmetic number, because the mean of its divisors is an integer number (227013384).

Almost surely, 2^1455213875 is an apocalyptic number.

1455213875 is a deficient number, since it is larger than the sum of its proper divisors (360893197).

1455213875 is an equidigital number, since it uses as much as digits as its factorization.

1455213875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11641726 (or 11641716 counting only the distinct ones).

The product of its digits is 168000, while the sum is 41.

The square root of 1455213875 is about 38147.2656294000. The cubic root of 1455213875 is about 1133.2062008970.

The spelling of 1455213875 in words is "one billion, four hundred fifty-five million, two hundred thirteen thousand, eight hundred seventy-five".