157447246 has 16 divisors (see below), whose sum is σ = 259499520. Its totient is φ = 71050680.

The previous prime is 157447229. The next prime is 157447249. The reversal of 157447246 is 642744751.

It is a junction number, because it is equal to n+sod(n) for n = 157447199 and 157447208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157447249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22686 + ... + 28801.

It is an arithmetic number, because the mean of its divisors is an integer number (16218720).

Almost surely, 2^157447246 is an apocalyptic number.

157447246 is a deficient number, since it is larger than the sum of its proper divisors (102052274).

157447246 is a wasteful number, since it uses less digits than its factorization.

157447246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51639.

The product of its digits is 188160, while the sum is 40.

The square root of 157447246 is about 12547.7984523182. The cubic root of 157447246 is about 539.9808475146.

The spelling of 157447246 in words is "one hundred fifty-seven million, four hundred forty-seven thousand, two hundred forty-six".