151312503 has 8 divisors (see below), whose sum is σ = 202048128. Its totient is φ = 100725944.

The previous prime is 151312493. The next prime is 151312541. The reversal of 151312503 is 305213151.

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

It is a cyclic number.

It is not a de Polignac number, because 151312503 - 2⁴ = 151312487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151312503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151312543) 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 7 ways as a sum of consecutive naturals, for example, 34875 + ... + 38972.

It is an arithmetic number, because the mean of its divisors is an integer number (25256016).

Almost surely, 2^151312503 is an apocalyptic number.

151312503 is a deficient number, since it is larger than the sum of its proper divisors (50735625).

151312503 is an equidigital number, since it uses as much as digits as its factorization.

151312503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74533.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 151312503 is about 12300.9147220847. The cubic root of 151312503 is about 532.8745003825.

Adding to 151312503 its reverse (305213151), we get a palindrome (456525654).

The spelling of 151312503 in words is "one hundred fifty-one million, three hundred twelve thousand, five hundred three".