157223336000 has 112 divisors (see below), whose sum is σ = 391343979312. Its totient is φ = 62569472000.

The previous prime is 157223335861. The next prime is 157223336021. The reversal of 157223336000 is 633322751.

It can be written as a sum of positive squares in 8 ways, for example, as 38441092096 + 118782243904 = 196064^2 + 344648^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1526120 + ... + 1625880.

Almost surely, 2^157223336000 is an apocalyptic number.

157223336000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157223336000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195671989656).

157223336000 is an abundant number, since it is smaller than the sum of its proper divisors (234120643312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157223336000 is an equidigital number, since it uses as much as digits as its factorization.

157223336000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99985 (or 99965 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

Adding to 157223336000 its reverse (633322751), we get a palindrome (157856658751).

The spelling of 157223336000 in words is "one hundred fifty-seven billion, two hundred twenty-three million, three hundred thirty-six thousand".