151314728 has 8 divisors (see below), whose sum is σ = 283715130. Its totient is φ = 75657360.

The previous prime is 151314701. The next prime is 151314791. The reversal of 151314728 is 827413151.

It can be written as a sum of positive squares in only one way, i.e., 125933284 + 25381444 = 11222^2 + 5038^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×151314728² = 45792293819427968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151314694 and 151314703.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9457163 + ... + 9457178.

Almost surely, 2^151314728 is an apocalyptic number.

It is an amenable number.

151314728 is a deficient number, since it is larger than the sum of its proper divisors (132400402).

151314728 is a wasteful number, since it uses less digits than its factorization.

151314728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18914347 (or 18914343 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 151314728 is about 12301.0051621809. The cubic root of 151314728 is about 532.8771122837.

Adding to 151314728 its reverse (827413151), we get a palindrome (978727879).

The spelling of 151314728 in words is "one hundred fifty-one million, three hundred fourteen thousand, seven hundred twenty-eight".