157929293 has 8 divisors (see below), whose sum is σ = 165110208. Its totient is φ = 150774624.

The previous prime is 157929271. The next prime is 157929307. The reversal of 157929293 is 392929751.

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 157929293 - 2¹⁶ = 157863757 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 (157929203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6305 + ... + 18857.

It is an arithmetic number, because the mean of its divisors is an integer number (20638776).

Almost surely, 2^157929293 is an apocalyptic number.

It is an amenable number.

157929293 is a deficient number, since it is larger than the sum of its proper divisors (7180915).

157929293 is a wasteful number, since it uses less digits than its factorization.

157929293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13123.

The product of its digits is 306180, while the sum is 47.

The square root of 157929293 is about 12566.9922017959. The cubic root of 157929293 is about 540.5313619687.

The spelling of 157929293 in words is "one hundred fifty-seven million, nine hundred twenty-nine thousand, two hundred ninety-three".