1454011544542 has 4 divisors (see below), whose sum is σ = 2181017316816. Its totient is φ = 727005772270.

The previous prime is 1454011544521. The next prime is 1454011544549. The reversal of 1454011544542 is 2454451104541.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1454011544542² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1454011544495 and 1454011544504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454011544549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363502886134 + ... + 363502886137.

It is an arithmetic number, because the mean of its divisors is an integer number (545254329204).

Almost surely, 2^{1454011544542} is an apocalyptic number.

1454011544542 is a deficient number, since it is larger than the sum of its proper divisors (727005772274).

1454011544542 is an equidigital number, since it uses as much as digits as its factorization.

1454011544542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727005772273.

The product of its (nonzero) digits is 256000, while the sum is 40.

The spelling of 1454011544542 in words is "one trillion, four hundred fifty-four billion, eleven million, five hundred forty-four thousand, five hundred forty-two".