157116745 has 8 divisors (see below), whose sum is σ = 188661384. Its totient is φ = 125612544.

The previous prime is 157116733. The next prime is 157116761. The reversal of 157116745 is 547611751.

It is a happy number.

157116745 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 4 ways, for example, as 36578304 + 120538441 = 6048^2 + 10979^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 157116745 - 2²¹ = 155019593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774 + ... + 17743.

It is an arithmetic number, because the mean of its divisors is an integer number (23582673).

Almost surely, 2^157116745 is an apocalyptic number.

It is an amenable number.

157116745 is a deficient number, since it is larger than the sum of its proper divisors (31544639).

157116745 is a wasteful number, since it uses less digits than its factorization.

157116745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20219.

The product of its digits is 29400, while the sum is 37.

The square root of 157116745 is about 12534.6218530915. The cubic root of 157116745 is about 539.6027542523.

The spelling of 157116745 in words is "one hundred fifty-seven million, one hundred sixteen thousand, seven hundred forty-five".