150845649 has 4 divisors (see below), whose sum is σ = 201127536. Its totient is φ = 100563764.

The previous prime is 150845623. The next prime is 150845657. The reversal of 150845649 is 946548051.

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: 946548051 = 3 ⋅315516017.

It is a cyclic number.

It is not a de Polignac number, because 150845649 - 2¹³ = 150837457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150845649.

It is not an unprimeable number, because it can be changed into a prime (150845689) 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, 25140939 + ... + 25140944.

It is an arithmetic number, because the mean of its divisors is an integer number (50281884).

Almost surely, 2^150845649 is an apocalyptic number.

It is an amenable number.

150845649 is a deficient number, since it is larger than the sum of its proper divisors (50281887).

150845649 is an equidigital number, since it uses as much as digits as its factorization.

150845649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50281886.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 150845649 is about 12281.9236685464. The cubic root of 150845649 is about 532.3258986921.

The spelling of 150845649 in words is "one hundred fifty million, eight hundred forty-five thousand, six hundred forty-nine".