1452278418 has 16 divisors (see below), whose sum is σ = 2904988320. Its totient is φ = 484020896.

The previous prime is 1452278413. The next prime is 1452278447. The reversal of 1452278418 is 8148722541.

It is a super-2 number, since 2×1452278418² = 4218225206777165448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1452278418.

It is not an unprimeable number, because it can be changed into a prime (1452278411) 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, 40321 + ... + 67307.

It is an arithmetic number, because the mean of its divisors is an integer number (181561770).

Almost surely, 2^1452278418 is an apocalyptic number.

1452278418 is an abundant number, since it is smaller than the sum of its proper divisors (1452709902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1452278418 is a wasteful number, since it uses less digits than its factorization.

1452278418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35961.

The product of its digits is 143360, while the sum is 42.

The square root of 1452278418 is about 38108.7708802055. The cubic root of 1452278418 is about 1132.4437202368.

The spelling of 1452278418 in words is "one billion, four hundred fifty-two million, two hundred seventy-eight thousand, four hundred eighteen".