1454140243 has 8 divisors (see below), whose sum is σ = 1583456400. Its totient is φ = 1330102368.

The previous prime is 1454140229. The next prime is 1454140253. The reversal of 1454140243 is 3420414541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1454140243 - 2⁵ = 1454140211 is a prime.

It is a super-2 number, since 2×1454140243² = 4229047692624198098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1454140223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318996 + ... + 1320097.

It is an arithmetic number, because the mean of its divisors is an integer number (197932050).

Almost surely, 2^1454140243 is an apocalyptic number.

1454140243 is a deficient number, since it is larger than the sum of its proper divisors (129316157).

1454140243 is a wasteful number, since it uses less digits than its factorization.

1454140243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639141.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1454140243 is about 38133.1908316102. The cubic root of 1454140243 is about 1132.9274455904.

Adding to 1454140243 its reverse (3420414541), we get a palindrome (4874554784).

The spelling of 1454140243 in words is "one billion, four hundred fifty-four million, one hundred forty thousand, two hundred forty-three".