151204649 has 4 divisors (see below), whose sum is σ = 151365264. Its totient is φ = 151044036.

The previous prime is 151204643. The next prime is 151204661. The reversal of 151204649 is 946402151.

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 a cyclic number.

It is not a de Polignac number, because 151204649 - 2⁴ = 151204633 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 (151204643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78887 + ... + 80780.

It is an arithmetic number, because the mean of its divisors is an integer number (37841316).

Almost surely, 2^151204649 is an apocalyptic number.

It is an amenable number.

151204649 is a deficient number, since it is larger than the sum of its proper divisors (160615).

151204649 is an equidigital number, since it uses as much as digits as its factorization.

151204649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160614.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 151204649 is about 12296.5299576751. The cubic root of 151204649 is about 532.7478611294.

The spelling of 151204649 in words is "one hundred fifty-one million, two hundred four thousand, six hundred forty-nine".