157208293 has 8 divisors (see below), whose sum is σ = 172315296. Its totient is φ = 142237200.

The previous prime is 157208287. The next prime is 157208297. The reversal of 157208293 is 392802751.

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

It is a cyclic number.

It is not a de Polignac number, because 157208293 - 2⁹ = 157207781 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 (157208297) 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 7 ways as a sum of consecutive naturals, for example, 31546 + ... + 36187.

It is an arithmetic number, because the mean of its divisors is an integer number (21539412).

Almost surely, 2^157208293 is an apocalyptic number.

It is an amenable number.

157208293 is a deficient number, since it is larger than the sum of its proper divisors (15107003).

157208293 is a wasteful number, since it uses less digits than its factorization.

157208293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67955.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 157208293 is about 12538.2731267109. The cubic root of 157208293 is about 539.7075382489.

The spelling of 157208293 in words is "one hundred fifty-seven million, two hundred eight thousand, two hundred ninety-three".