1425454452 has 72 divisors (see below), whose sum is σ = 3727724000. Its totient is φ = 458923968.

The previous prime is 1425454427. The next prime is 1425454469. The reversal of 1425454452 is 2544545241.

1425454452 is a `hidden beast` number, since 14 + 2 + 54 + 544 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181299 + ... + 188997.

Almost surely, 2^1425454452 is an apocalyptic number.

1425454452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425454452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1863862000).

1425454452 is an abundant number, since it is smaller than the sum of its proper divisors (2302269548).

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

1425454452 is a wasteful number, since it uses less digits than its factorization.

1425454452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885 (or 7880 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

The square root of 1425454452 is about 37755.1910603032. The cubic root of 1425454452 is about 1125.4281700567.

Adding to 1425454452 its reverse (2544545241), we get a palindrome (3969999693).

The spelling of 1425454452 in words is "one billion, four hundred twenty-five million, four hundred fifty-four thousand, four hundred fifty-two".