154311440142 has 32 divisors (see below), whose sum is σ = 321508776960. Its totient is φ = 49332025280.

The previous prime is 154311440111. The next prime is 154311440167. The reversal of 154311440142 is 241044113451.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5301438 + ... + 5330465.

It is an arithmetic number, because the mean of its divisors is an integer number (10047149280).

Almost surely, 2^154311440142 is an apocalyptic number.

154311440142 is an abundant number, since it is smaller than the sum of its proper divisors (167197336818).

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

154311440142 is a wasteful number, since it uses less digits than its factorization.

154311440142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10632008.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 154311440142 its reverse (241044113451), we get a palindrome (395355553593).

The spelling of 154311440142 in words is "one hundred fifty-four billion, three hundred eleven million, four hundred forty thousand, one hundred forty-two".