154540234 has 32 divisors (see below), whose sum is σ = 255830400. Its totient is φ = 69711360.

The previous prime is 154540219. The next prime is 154540283. The reversal of 154540234 is 432045451.

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, 81307 + ... + 83185.

It is an arithmetic number, because the mean of its divisors is an integer number (7994700).

Almost surely, 2^154540234 is an apocalyptic number.

154540234 is a deficient number, since it is larger than the sum of its proper divisors (101290166).

154540234 is a wasteful number, since it uses less digits than its factorization.

154540234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 154540234 is about 12431.4212381369. The cubic root of 154540234 is about 536.6368872708.

Adding to 154540234 its reverse (432045451), we get a palindrome (586585685).

The spelling of 154540234 in words is "one hundred fifty-four million, five hundred forty thousand, two hundred thirty-four".