151603426 has 16 divisors (see below), whose sum is σ = 249520824. Its totient is φ = 68649984.

The previous prime is 151603409. The next prime is 151603427. The reversal of 151603426 is 624306151.

It can be written as a sum of positive squares in 4 ways, for example, as 138650625 + 12952801 = 11775^2 + 3599^2 .

It is a junction number, because it is equal to n+sod(n) for n = 151603394 and 151603403.

It is not an unprimeable number, because it can be changed into a prime (151603427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53631 + ... + 56386.

Almost surely, 2^151603426 is an apocalyptic number.

151603426 is a deficient number, since it is larger than the sum of its proper divisors (97917398).

151603426 is a wasteful number, since it uses less digits than its factorization.

151603426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110085.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 151603426 is about 12312.7343023392. The cubic root of 151603426 is about 533.2157944974.

Adding to 151603426 its reverse (624306151), we get a palindrome (775909577).

The spelling of 151603426 in words is "one hundred fifty-one million, six hundred three thousand, four hundred twenty-six".