157542216 has 32 divisors (see below), whose sum is σ = 424152960. Its totient is φ = 48474432.

The previous prime is 157542197. The next prime is 157542221. The reversal of 157542216 is 612245751.

157542216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252160 + ... + 252783.

It is an arithmetic number, because the mean of its divisors is an integer number (13254780).

Almost surely, 2^157542216 is an apocalyptic number.

It is an amenable number.

157542216 is an abundant number, since it is smaller than the sum of its proper divisors (266610744).

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

157542216 is a wasteful number, since it uses less digits than its factorization.

157542216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504965 (or 504961 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 157542216 is about 12551.5822110203. The cubic root of 157542216 is about 540.0893953509.

Adding to 157542216 its reverse (612245751), we get a palindrome (769787967).

The spelling of 157542216 in words is "one hundred fifty-seven million, five hundred forty-two thousand, two hundred sixteen".