157144457446 has 8 divisors (see below), whose sum is σ = 235719867600. Its totient is φ = 78571168248.

The previous prime is 157144457419. The next prime is 157144457447. The reversal of 157144457446 is 644754441751.

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

It is a junction number, because it is equal to n+sod(n) for n = 157144457393 and 157144457402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157144457447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329866 + ... + 650461.

It is an arithmetic number, because the mean of its divisors is an integer number (29464983450).

Almost surely, 2^157144457446 is an apocalyptic number.

157144457446 is a deficient number, since it is larger than the sum of its proper divisors (78575410154).

157144457446 is an equidigital number, since it uses as much as digits as its factorization.

157144457446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060478.

The product of its digits is 7526400, while the sum is 52.

The spelling of 157144457446 in words is "one hundred fifty-seven billion, one hundred forty-four million, four hundred fifty-seven thousand, four hundred forty-six".