315471154 has 4 divisors (see below), whose sum is σ = 473206734. Its totient is φ = 157735576.

The previous prime is 315471119. The next prime is 315471161. The reversal of 315471154 is 451174513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 293334129 + 22137025 = 17127^2 + 4705^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78867787 + ... + 78867790.

Almost surely, 2^315471154 is an apocalyptic number.

315471154 is a deficient number, since it is larger than the sum of its proper divisors (157735580).

315471154 is a wasteful number, since it uses less digits than its factorization.

315471154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157735579.

The product of its digits is 8400, while the sum is 31.

The square root of 315471154 is about 17761.5076499716. The cubic root of 315471154 is about 680.7482780739.

The spelling of 315471154 in words is "three hundred fifteen million, four hundred seventy-one thousand, one hundred fifty-four".