151423738 has 8 divisors (see below), whose sum is σ = 227340180. Its totient is φ = 75643680.

The previous prime is 151423717. The next prime is 151423739. The reversal of 151423738 is 837324151.

It can be written as a sum of positive squares in 2 ways, for example, as 135559449 + 15864289 = 11643^2 + 3983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (151423739) 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 3 ways as a sum of consecutive naturals, for example, 31273 + ... + 35788.

Almost surely, 2^151423738 is an apocalyptic number.

151423738 is a deficient number, since it is larger than the sum of its proper divisors (75916442).

151423738 is a wasteful number, since it uses less digits than its factorization.

151423738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68192.

The product of its digits is 20160, while the sum is 34.

The square root of 151423738 is about 12305.4353031496. The cubic root of 151423738 is about 533.0050464928.

Adding to 151423738 its reverse (837324151), we get a palindrome (988747889).

It can be divided in two parts, 1514 and 23738, that added together give a palindrome (25252).

The spelling of 151423738 in words is "one hundred fifty-one million, four hundred twenty-three thousand, seven hundred thirty-eight".