157505308 has 6 divisors (see below), whose sum is σ = 275634296. Its totient is φ = 78752652.

The previous prime is 157505291. The next prime is 157505317. The reversal of 157505308 is 803505751.

157505308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19688160 + ... + 19688167.

Almost surely, 2^157505308 is an apocalyptic number.

It is an amenable number.

157505308 is a deficient number, since it is larger than the sum of its proper divisors (118128988).

157505308 is a wasteful number, since it uses less digits than its factorization.

157505308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39376331 (or 39376329 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 157505308 is about 12550.1118720113. Note that the first 3 decimals coincide. The cubic root of 157505308 is about 540.0472158075.

The spelling of 157505308 in words is "one hundred fifty-seven million, five hundred five thousand, three hundred eight".