157754866 has 8 divisors (see below), whose sum is σ = 250551900. Its totient is φ = 74237568.

The previous prime is 157754843. The next prime is 157754869. The reversal of 157754866 is 668457751.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 155875225 + 1879641 = 12485^2 + 1371^2 .

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

It is not an unprimeable number, because it can be changed into a prime (157754869) 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, 2319891 + ... + 2319958.

Almost surely, 2^157754866 is an apocalyptic number.

157754866 is a deficient number, since it is larger than the sum of its proper divisors (92797034).

157754866 is a wasteful number, since it uses less digits than its factorization.

157754866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639868.

The product of its digits is 1411200, while the sum is 49.

The square root of 157754866 is about 12560.0503979881. The cubic root of 157754866 is about 540.3322897675.

The spelling of 157754866 in words is "one hundred fifty-seven million, seven hundred fifty-four thousand, eight hundred sixty-six".