1457281245194 has 4 divisors (see below), whose sum is σ = 2185921867794. Its totient is φ = 728640622596.

The previous prime is 1457281245193. The next prime is 1457281245221. The reversal of 1457281245194 is 4915421827541.

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

It can be written as a sum of positive squares in only one way, i.e., 1373478522025 + 83802723169 = 1171955^2 + 289487^2 .

It is not an unprimeable number, because it can be changed into a prime (1457281245191) 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 as a sum of consecutive naturals, namely, 364320311297 + ... + 364320311300.

Almost surely, 2^{1457281245194} is an apocalyptic number.

1457281245194 is a deficient number, since it is larger than the sum of its proper divisors (728640622600).

1457281245194 is an equidigital number, since it uses as much as digits as its factorization.

1457281245194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728640622599.

The product of its digits is 3225600, while the sum is 53.

The spelling of 1457281245194 in words is "one trillion, four hundred fifty-seven billion, two hundred eighty-one million, two hundred forty-five thousand, one hundred ninety-four".