151340523 has 4 divisors (see below), whose sum is σ = 201787368. Its totient is φ = 100893680.

The previous prime is 151340513. The next prime is 151340533. The reversal of 151340523 is 325043151.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (151340513) and next prime (151340533).

It is a cyclic number.

It is not a de Polignac number, because 151340523 - 2⁴ = 151340507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151340493 and 151340502.

It is not an unprimeable number, because it can be changed into a prime (151340503) 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, 25223418 + ... + 25223423.

It is an arithmetic number, because the mean of its divisors is an integer number (50446842).

Almost surely, 2^151340523 is an apocalyptic number.

151340523 is a deficient number, since it is larger than the sum of its proper divisors (50446845).

151340523 is an equidigital number, since it uses as much as digits as its factorization.

151340523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50446844.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 151340523 is about 12302.0536090524. The cubic root of 151340523 is about 532.9073908611.

Adding to 151340523 its reverse (325043151), we get a palindrome (476383674).

The spelling of 151340523 in words is "one hundred fifty-one million, three hundred forty thousand, five hundred twenty-three".