154040641502 has 64 divisors (see below), whose sum is σ = 273978547200. Its totient is φ = 64173358080.

The previous prime is 154040641493. The next prime is 154040641507. The reversal of 154040641502 is 205146040451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154040641507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2121149 + ... + 2192567.

It is an arithmetic number, because the mean of its divisors is an integer number (4280914800).

Almost surely, 2^154040641502 is an apocalyptic number.

154040641502 is a deficient number, since it is larger than the sum of its proper divisors (119937905698).

154040641502 is a wasteful number, since it uses less digits than its factorization.

154040641502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71601.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 154040641502 its reverse (205146040451), we get a palindrome (359186681953).

The spelling of 154040641502 in words is "one hundred fifty-four billion, forty million, six hundred forty-one thousand, five hundred two".