157809094 has 8 divisors (see below), whose sum is σ = 236808000. Its totient is φ = 78873096.

The previous prime is 157809089. The next prime is 157809101. The reversal of 157809094 is 490908751.

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

It is a self number, because there is not a number n which added to its sum of digits gives 157809094.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8854 + ... + 19849.

It is an arithmetic number, because the mean of its divisors is an integer number (29601000).

Almost surely, 2^157809094 is an apocalyptic number.

157809094 is a deficient number, since it is larger than the sum of its proper divisors (78998906).

157809094 is a wasteful number, since it uses less digits than its factorization.

157809094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31454.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 157809094 is about 12562.2089618029. The cubic root of 157809094 is about 540.3941954810.

The spelling of 157809094 in words is "one hundred fifty-seven million, eight hundred nine thousand, ninety-four".