151340515 has 4 divisors (see below), whose sum is σ = 181608624. Its totient is φ = 121072408.

The previous prime is 151340513. The next prime is 151340533. The reversal of 151340515 is 515043151.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 151340515 - 2¹ = 151340513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151340515.

It is not an unprimeable number, because it can be changed into a prime (151340513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15134047 + ... + 15134056.

It is an arithmetic number, because the mean of its divisors is an integer number (45402156).

Almost surely, 2^151340515 is an apocalyptic number.

151340515 is a deficient number, since it is larger than the sum of its proper divisors (30268109).

151340515 is an equidigital number, since it uses as much as digits as its factorization.

151340515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30268108.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 151340515 is about 12302.0532839035. The cubic root of 151340515 is about 532.9073814711.

Adding to 151340515 its reverse (515043151), we get a palindrome (666383666).

The spelling of 151340515 in words is "one hundred fifty-one million, three hundred forty thousand, five hundred fifteen".