157216149 has 6 divisors (see below), whose sum is σ = 227090006. Its totient is φ = 104810760.

The previous prime is 157216141. The next prime is 157216151. The reversal of 157216149 is 941612751.

157216149 is a `hidden beast` number, since 15 + 7 + 21 + 614 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 110880900 + 46335249 = 10530^2 + 6807^2 .

It is not a de Polignac number, because 157216149 - 2³ = 157216141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157216141) 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 in 5 ways as a sum of consecutive naturals, for example, 8734222 + ... + 8734239.

Almost surely, 2^157216149 is an apocalyptic number.

It is an amenable number.

157216149 is a deficient number, since it is larger than the sum of its proper divisors (69873857).

157216149 is a wasteful number, since it uses less digits than its factorization.

157216149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17468467 (or 17468464 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 157216149 is about 12538.5864035784. The cubic root of 157216149 is about 539.7165281729.

The spelling of 157216149 in words is "one hundred fifty-seven million, two hundred sixteen thousand, one hundred forty-nine".