150745513 has 4 divisors (see below), whose sum is σ = 152561808. Its totient is φ = 148929220.

The previous prime is 150745489. The next prime is 150745523. The reversal of 150745513 is 315547051.

150745513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 315547051 = 23 ⋅13719437.

It is a cyclic number.

It is not a de Polignac number, because 150745513 - 2⁵ = 150745481 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150745523) 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, 908023 + ... + 908188.

It is an arithmetic number, because the mean of its divisors is an integer number (38140452).

Almost surely, 2^150745513 is an apocalyptic number.

It is an amenable number.

150745513 is a deficient number, since it is larger than the sum of its proper divisors (1816295).

150745513 is an equidigital number, since it uses as much as digits as its factorization.

150745513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816294.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 150745513 is about 12277.8464316834. The cubic root of 150745513 is about 532.2080811613.

The spelling of 150745513 in words is "one hundred fifty million, seven hundred forty-five thousand, five hundred thirteen".