1455557164 has 6 divisors (see below), whose sum is σ = 2547225044. Its totient is φ = 727778580.

The previous prime is 1455557161. The next prime is 1455557197. The reversal of 1455557164 is 4617555541.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1455557164.

It is not an unprimeable number, because it can be changed into a prime (1455557161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181944642 + ... + 181944649.

Almost surely, 2^1455557164 is an apocalyptic number.

It is an amenable number.

1455557164 is a deficient number, since it is larger than the sum of its proper divisors (1091667880).

1455557164 is a wasteful number, since it uses less digits than its factorization.

1455557164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363889295 (or 363889293 counting only the distinct ones).

The product of its digits is 420000, while the sum is 43.

The square root of 1455557164 is about 38151.7648870927. The cubic root of 1455557164 is about 1133.2953027223.

The spelling of 1455557164 in words is "one billion, four hundred fifty-five million, five hundred fifty-seven thousand, one hundred sixty-four".