154880849 has 4 divisors (see below), whose sum is σ = 155057136. Its totient is φ = 154704564.

The previous prime is 154880777. The next prime is 154880861. The reversal of 154880849 is 948088451.

It is a happy number.

154880849 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.

It is a cyclic number.

It is not a de Polignac number, because 154880849 - 2¹⁶ = 154815313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154880249) 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, 86819 + ... + 88584.

It is an arithmetic number, because the mean of its divisors is an integer number (38764284).

Almost surely, 2^154880849 is an apocalyptic number.

It is an amenable number.

154880849 is a deficient number, since it is larger than the sum of its proper divisors (176287).

154880849 is an equidigital number, since it uses as much as digits as its factorization.

154880849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176286.

The product of its (nonzero) digits is 368640, while the sum is 47.

The square root of 154880849 is about 12445.1134587034. The cubic root of 154880849 is about 537.0308568374.

The spelling of 154880849 in words is "one hundred fifty-four million, eight hundred eighty thousand, eight hundred forty-nine".