157078 has 4 divisors (see below), whose sum is σ = 235620. Its totient is φ = 78538.

The previous prime is 157061. The next prime is 157081. The reversal of 157078 is 870751.

It is a happy number.

157078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

157078 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 as a sum of consecutive naturals, namely, 39268 + ... + 39271.

It is an arithmetic number, because the mean of its divisors is an integer number (58905).

2¹⁵⁷⁰⁷⁸ is an apocalyptic number.

157078 is a deficient number, since it is larger than the sum of its proper divisors (78542).

157078 is an equidigital number, since it uses as much as digits as its factorization.

157078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78541.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 157078 is about 396.3306700219. The cubic root of 157078 is about 53.9558395247.

The spelling of 157078 in words is "one hundred fifty-seven thousand, seventy-eight".