151434506 has 4 divisors (see below), whose sum is σ = 227151762. Its totient is φ = 75717252.

The previous prime is 151434497. The next prime is 151434509. The reversal of 151434506 is 605434151.

It is a happy number.

151434506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 146773225 + 4661281 = 12115^2 + 2159^2 .

It is not an unprimeable number, because it can be changed into a prime (151434509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37858625 + ... + 37858628.

Almost surely, 2^151434506 is an apocalyptic number.

151434506 is a deficient number, since it is larger than the sum of its proper divisors (75717256).

151434506 is an equidigital number, since it uses as much as digits as its factorization.

151434506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75717255.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 151434506 is about 12305.8728256065. The cubic root of 151434506 is about 533.0176804923.

Adding to 151434506 its reverse (605434151), we get a palindrome (756868657).

The spelling of 151434506 in words is "one hundred fifty-one million, four hundred thirty-four thousand, five hundred six".