151000722 has 12 divisors (see below), whose sum is σ = 327168270. Its totient is φ = 50333568.

The previous prime is 151000621. The next prime is 151000723. The reversal of 151000722 is 227000151.

It can be written as a sum of positive squares in only one way, i.e., 101425041 + 49575681 = 10071^2 + 7041^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 8388929 = 151000722 / (1 + 5 + 1 + 0 + 0 + 0 + 7 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 151000695 and 151000704.

It is not an unprimeable number, because it can be changed into a prime (151000723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4194447 + ... + 4194482.

Almost surely, 2^151000722 is an apocalyptic number.

151000722 is an abundant number, since it is smaller than the sum of its proper divisors (176167548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151000722 is a wasteful number, since it uses less digits than its factorization.

151000722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8388937 (or 8388934 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 151000722 is about 12288.2351051728. The cubic root of 151000722 is about 532.5082508806.

Adding to 151000722 its reverse (227000151), we get a palindrome (378000873).

The spelling of 151000722 in words is "one hundred fifty-one million, seven hundred twenty-two", and thus it is an aban number.