1454123454021 has 64 divisors (see below), whose sum is σ = 2516343459840. Its totient is φ = 812787739200.

The previous prime is 1454123453963. The next prime is 1454123454029. The reversal of 1454123454021 is 1204543214541.

1454123454021 is a `hidden beast` number, since 1 + 4 + 54 + 12 + 34 + 540 + 21 = 666.

It is not a de Polignac number, because 1454123454021 - 2¹³ = 1454123445829 is a prime.

It is a super-2 number, since 2×1454123454021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454123454029) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1125496 + ... + 2043278.

It is an arithmetic number, because the mean of its divisors is an integer number (39317866560).

Almost surely, 2^{1454123454021} is an apocalyptic number.

It is an amenable number.

1454123454021 is a deficient number, since it is larger than the sum of its proper divisors (1062220005819).

1454123454021 is a wasteful number, since it uses less digits than its factorization.

1454123454021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917983 (or 917977 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 1454123454021 its reverse (1204543214541), we get a palindrome (2658666668562).

The spelling of 1454123454021 in words is "one trillion, four hundred fifty-four billion, one hundred twenty-three million, four hundred fifty-four thousand, twenty-one".