157078634 has 8 divisors (see below), whose sum is σ = 237951108. Its totient is φ = 77761600.

The previous prime is 157078633. The next prime is 157078639. The reversal of 157078634 is 436870751.

157078634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 155875225 + 1203409 = 12485^2 + 1097^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 157078591 and 157078600.

It is not an unprimeable number, because it can be changed into a prime (157078633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388607 + ... + 389010.

Almost surely, 2^157078634 is an apocalyptic number.

157078634 is a deficient number, since it is larger than the sum of its proper divisors (80872474).

157078634 is a wasteful number, since it uses less digits than its factorization.

157078634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777720.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 157078634 is about 12533.1015315444. The cubic root of 157078634 is about 539.5591211701.

The spelling of 157078634 in words is "one hundred fifty-seven million, seventy-eight thousand, six hundred thirty-four".