157314469 has 8 divisors (see below), whose sum is σ = 171094392. Its totient is φ = 143774400.

The previous prime is 157314449. The next prime is 157314533. The reversal of 157314469 is 964413751.

It can be written as a sum of positive squares in 4 ways, for example, as 37149025 + 120165444 = 6095^2 + 10962^2 .

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 157314469 - 2⁹ = 157313957 is a prime.

It is a super-2 number, since 2×157314469² = 49495684313503922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157314439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58594 + ... + 61219.

It is an arithmetic number, because the mean of its divisors is an integer number (21386799).

Almost surely, 2^157314469 is an apocalyptic number.

It is an amenable number.

157314469 is a deficient number, since it is larger than the sum of its proper divisors (13779923).

157314469 is a wasteful number, since it uses less digits than its factorization.

157314469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119927.

The product of its digits is 90720, while the sum is 40.

The square root of 157314469 is about 12542.5064879393. The cubic root of 157314469 is about 539.8290142232.

The spelling of 157314469 in words is "one hundred fifty-seven million, three hundred fourteen thousand, four hundred sixty-nine".