150968515 has 4 divisors (see below), whose sum is σ = 181162224. Its totient is φ = 120774808.

The previous prime is 150968513. The next prime is 150968533. The reversal of 150968515 is 515869051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 515869051 = 5399 ⋅95549.

It is a cyclic number.

It is not a de Polignac number, because 150968515 - 2¹ = 150968513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150968513) 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, 15096847 + ... + 15096856.

It is an arithmetic number, because the mean of its divisors is an integer number (45290556).

Almost surely, 2^150968515 is an apocalyptic number.

150968515 is a deficient number, since it is larger than the sum of its proper divisors (30193709).

150968515 is an equidigital number, since it uses as much as digits as its factorization.

150968515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30193708.

The product of its (nonzero) digits is 54000, while the sum is 40.

The square root of 150968515 is about 12286.9245541755. The cubic root of 150968515 is about 532.4703885611.

The spelling of 150968515 in words is "one hundred fifty million, nine hundred sixty-eight thousand, five hundred fifteen".