151395506 has 32 divisors (see below), whose sum is σ = 249661440. Its totient is φ = 68544000.

The previous prime is 151395481. The next prime is 151395509. The reversal of 151395506 is 605593151.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (151395509) 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 in 15 ways as a sum of consecutive naturals, for example, 251606 + ... + 252206.

It is an arithmetic number, because the mean of its divisors is an integer number (7801920).

Almost surely, 2^151395506 is an apocalyptic number.

151395506 is a deficient number, since it is larger than the sum of its proper divisors (98265934).

151395506 is a wasteful number, since it uses less digits than its factorization.

151395506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890.

The product of its (nonzero) digits is 20250, while the sum is 35.

The square root of 151395506 is about 12304.2881143120. The cubic root of 151395506 is about 532.9719192919.

The spelling of 151395506 in words is "one hundred fifty-one million, three hundred ninety-five thousand, five hundred six".