154251104420140 has 144 divisors (see below), whose sum is σ = 408761100875232. Its totient is φ = 48461596130304.

The previous prime is 154251104420089. The next prime is 154251104420167. The reversal of 154251104420140 is 41024401152451.

It is a junction number, because it is equal to n+sod(n) for n = 154251104420096 and 154251104420105.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42443022 + ... + 45933781.

It is an arithmetic number, because the mean of its divisors is an integer number (2838618756078).

Almost surely, 2^{154251104420140} is an apocalyptic number.

154251104420140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154251104420140 is an abundant number, since it is smaller than the sum of its proper divisors (254509996455092).

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

154251104420140 is a wasteful number, since it uses less digits than its factorization.

154251104420140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88376976 (or 88376967 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

Adding to 154251104420140 its reverse (41024401152451), we get a palindrome (195275505572591).

The spelling of 154251104420140 in words is "one hundred fifty-four trillion, two hundred fifty-one billion, one hundred four million, four hundred twenty thousand, one hundred forty".