154140038 has 16 divisors (see below), whose sum is σ = 249723600. Its totient is φ = 70933536.

The previous prime is 154140031. The next prime is 154140067. The reversal of 154140038 is 830041451.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 154139989 and 154140016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154140031) 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 7 ways as a sum of consecutive naturals, for example, 581 + ... + 17567.

It is an arithmetic number, because the mean of its divisors is an integer number (15607725).

Almost surely, 2^154140038 is an apocalyptic number.

154140038 is a deficient number, since it is larger than the sum of its proper divisors (95583562).

154140038 is a wasteful number, since it uses less digits than its factorization.

154140038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17351.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 154140038 is about 12415.3146556984. The cubic root of 154140038 is about 536.1732634893.

Adding to 154140038 its reverse (830041451), we get a palindrome (984181489).

The spelling of 154140038 in words is "one hundred fifty-four million, one hundred forty thousand, thirty-eight".