1454447540 has 48 divisors (see below), whose sum is σ = 3759192192. Its totient is φ = 460308096.

The previous prime is 1454447537. The next prime is 1454447551. The reversal of 1454447540 is 457444541.

It is a super-2 number, since 2×1454447540² = 4230835293224103200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1454447494 and 1454447503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397754 + ... + 401393.

It is an arithmetic number, because the mean of its divisors is an integer number (78316504).

Almost surely, 2^1454447540 is an apocalyptic number.

1454447540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1454447540 is an abundant number, since it is smaller than the sum of its proper divisors (2304744652).

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

1454447540 is a wasteful number, since it uses less digits than its factorization.

1454447540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799176 (or 799174 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 38.

The square root of 1454447540 is about 38137.2198776995. The cubic root of 1454447540 is about 1133.0072454781.

Subtracting from 1454447540 its reverse (457444541), we obtain a cube (997002999 = 999³).

The spelling of 1454447540 in words is "one billion, four hundred fifty-four million, four hundred forty-seven thousand, five hundred forty".