154232540 has 48 divisors (see below), whose sum is σ = 403812864. Its totient is φ = 48072000.

The previous prime is 154232537. The next prime is 154232579. The reversal of 154232540 is 45232451.

It is a happy number.

154232540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48536 + ... + 51615.

It is an arithmetic number, because the mean of its divisors is an integer number (8412768).

Almost surely, 2^154232540 is an apocalyptic number.

154232540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154232540 is an abundant number, since it is smaller than the sum of its proper divisors (249580324).

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

154232540 is a wasteful number, since it uses less digits than its factorization.

154232540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100178 (or 100176 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 154232540 is about 12419.0394153493. The cubic root of 154232540 is about 536.2804975383.

Adding to 154232540 its reverse (45232451), we get a palindrome (199464991).

The spelling of 154232540 in words is "one hundred fifty-four million, two hundred thirty-two thousand, five hundred forty".