154534042 has 8 divisors (see below), whose sum is σ = 249631956. Its totient is φ = 71323392.

The previous prime is 154534031. The next prime is 154534057. The reversal of 154534042 is 240435451.

It can be written as a sum of positive squares in 2 ways, for example, as 152250921 + 2283121 = 12339^2 + 1511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 154534042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2971783 + ... + 2971834.

Almost surely, 2^154534042 is an apocalyptic number.

154534042 is a deficient number, since it is larger than the sum of its proper divisors (95097914).

154534042 is a wasteful number, since it uses less digits than its factorization.

154534042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5943632.

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

The square root of 154534042 is about 12431.1721892990. The cubic root of 154534042 is about 536.6297199895.

Adding to 154534042 its reverse (240435451), we get a palindrome (394969493).

The spelling of 154534042 in words is "one hundred fifty-four million, five hundred thirty-four thousand, forty-two".