157494 has 8 divisors (see below), whose sum is σ = 315000. Its totient is φ = 52496.
The previous prime is 157489. The next prime is 157513. The reversal of 157494 is 494751.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
157494 is an admirable number.
It is a Curzon number.
It is a plaindrome in base 13.
It is a congruent number.
It is an unprimeable number.
157494 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13119 + ... + 13130.
It is an arithmetic number, because the mean of its divisors is an integer number (39375).
157494 is a Friedman number, since it can be written as (5+9^4*4)*(7-1), using all its digits and the basic arithmetic operations.
2157494 is an apocalyptic number.
157494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157494 is a wasteful number, since it uses less digits than its factorization.
157494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26254.
The product of its digits is 5040, while the sum is 30.
The square root of 157494 is about 396.8551372982. The cubic root of 157494 is about 54.0034291375.
Subtracting from 157494 its sum of digits (30), we obtain a cube (157464 = 543).
It can be divided in two parts, 15749 and 4, that added together give a triangular number (15753 = T177).
The spelling of 157494 in words is "one hundred fifty-seven thousand, four hundred ninety-four".
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