157738468 has 6 divisors (see below), whose sum is σ = 276042326. Its totient is φ = 78869232.

The previous prime is 157738457. The next prime is 157738487. The reversal of 157738468 is 864837751.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 92968164 + 64770304 = 9642^2 + 8048^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19717305 + ... + 19717312.

Almost surely, 2^157738468 is an apocalyptic number.

It is an amenable number.

157738468 is a deficient number, since it is larger than the sum of its proper divisors (118303858).

157738468 is a wasteful number, since it uses less digits than its factorization.

157738468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39434621 (or 39434619 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 49.

The square root of 157738468 is about 12559.3975970187. The cubic root of 157738468 is about 540.3135673109.

The spelling of 157738468 in words is "one hundred fifty-seven million, seven hundred thirty-eight thousand, four hundred sixty-eight".