154857448 has 72 divisors (see below), whose sum is σ = 324554850. Its totient is φ = 69177024.

The previous prime is 154857427. The next prime is 154857449. The reversal of 154857448 is 844758451.

It can be written as a sum of positive squares in only one way, i.e., 130827844 + 24029604 = 11438^2 + 4902^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154857398 and 154857407.

It is not an unprimeable number, because it can be changed into a prime (154857449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3601315 + ... + 3601357.

Almost surely, 2^154857448 is an apocalyptic number.

It is an amenable number.

154857448 is an abundant number, since it is smaller than the sum of its proper divisors (169697402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154857448 is a wasteful number, since it uses less digits than its factorization.

154857448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 93 counting only the distinct ones).

The product of its digits is 716800, while the sum is 46.

The square root of 154857448 is about 12444.1732549816. The cubic root of 154857448 is about 537.0038087504.

It can be divided in two parts, 1548 and 57448, that added together give a triangular number (58996 = T₃₄₃).

The spelling of 154857448 in words is "one hundred fifty-four million, eight hundred fifty-seven thousand, four hundred forty-eight".