1445514455 has 48 divisors (see below), whose sum is σ = 2238814080. Its totient is φ = 885729600.

The previous prime is 1445514449. The next prime is 1445514457. The reversal of 1445514455 is 5544155441.

It is not a de Polignac number, because 1445514455 - 2⁴ = 1445514439 is a prime.

It is a super-2 number, since 2×1445514455² = 4179024079227894050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445514457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154460 + ... + 163550.

It is an arithmetic number, because the mean of its divisors is an integer number (46641960).

Almost surely, 2^1445514455 is an apocalyptic number.

1445514455 is a deficient number, since it is larger than the sum of its proper divisors (793299625).

1445514455 is a wasteful number, since it uses less digits than its factorization.

1445514455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9180 (or 9173 counting only the distinct ones).

The product of its digits is 160000, while the sum is 38.

The square root of 1445514455 is about 38019.9218173841. The cubic root of 1445514455 is about 1130.6828709847.

Adding to 1445514455 its reverse (5544155441), we get a palindrome (6989669896).

The spelling of 1445514455 in words is "one billion, four hundred forty-five million, five hundred fourteen thousand, four hundred fifty-five".