157264378 has 8 divisors (see below), whose sum is σ = 236279520. Its totient is φ = 78504540.

The previous prime is 157264369. The next prime is 157264381. The reversal of 157264378 is 873462751.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62278 + ... + 64753.

It is an arithmetic number, because the mean of its divisors is an integer number (29534940).

Almost surely, 2^157264378 is an apocalyptic number.

157264378 is a deficient number, since it is larger than the sum of its proper divisors (79015142).

157264378 is a wasteful number, since it uses less digits than its factorization.

157264378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127652.

The product of its digits is 282240, while the sum is 43.

The square root of 157264378 is about 12540.5094792835. The cubic root of 157264378 is about 539.7717119169.

The spelling of 157264378 in words is "one hundred fifty-seven million, two hundred sixty-four thousand, three hundred seventy-eight".