151835506 has 4 divisors (see below), whose sum is σ = 227753262. Its totient is φ = 75917752.

The previous prime is 151835491. The next prime is 151835507. The reversal of 151835506 is 605538151.

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., 128709025 + 23126481 = 11345^2 + 4809^2 .

It is not an unprimeable number, because it can be changed into a prime (151835507) 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 as a sum of consecutive naturals, namely, 37958875 + ... + 37958878.

Almost surely, 2^151835506 is an apocalyptic number.

151835506 is a deficient number, since it is larger than the sum of its proper divisors (75917756).

151835506 is an equidigital number, since it uses as much as digits as its factorization.

151835506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75917755.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 151835506 is about 12322.1550874837. The cubic root of 151835506 is about 533.4877444398.

The spelling of 151835506 in words is "one hundred fifty-one million, eight hundred thirty-five thousand, five hundred six".