150671649 has 4 divisors (see below), whose sum is σ = 200895536. Its totient is φ = 100447764.

The previous prime is 150671623. The next prime is 150671683. The reversal of 150671649 is 946176051.

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.

It is not a de Polignac number, because 150671649 - 2¹² = 150667553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (150671449) 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, 25111939 + ... + 25111944.

It is an arithmetic number, because the mean of its divisors is an integer number (50223884).

Almost surely, 2^150671649 is an apocalyptic number.

It is an amenable number.

150671649 is a deficient number, since it is larger than the sum of its proper divisors (50223887).

150671649 is an equidigital number, since it uses as much as digits as its factorization.

150671649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50223886.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 150671649 is about 12274.8380437381. The cubic root of 150671649 is about 532.1211411713.

The spelling of 150671649 in words is "one hundred fifty million, six hundred seventy-one thousand, six hundred forty-nine".