154495240 has 32 divisors (see below), whose sum is σ = 348543000. Its totient is φ = 61633024.

The previous prime is 154495199. The next prime is 154495241. The reversal of 154495240 is 42594451.

It can be written as a sum of positive squares in 4 ways, for example, as 81324324 + 73170916 = 9018^2 + 8554^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154495196 and 154495205.

It is not an unprimeable number, because it can be changed into a prime (154495241) 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 7 ways as a sum of consecutive naturals, for example, 10596 + ... + 20524.

Almost surely, 2^154495240 is an apocalyptic number.

154495240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154495240 is an abundant number, since it is smaller than the sum of its proper divisors (194047760).

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

154495240 is a wasteful number, since it uses less digits than its factorization.

154495240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10329 (or 10325 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 154495240 is about 12429.6114179004. The cubic root of 154495240 is about 536.5848020561.

The spelling of 154495240 in words is "one hundred fifty-four million, four hundred ninety-five thousand, two hundred forty".