2145100153240 has 96 divisors (see below), whose sum is σ = 5356641457440. Its totient is φ = 772463070720.

The previous prime is 2145100153213. The next prime is 2145100153277. The reversal of 2145100153240 is 423510015412.

It is a super-3 number, since 3×2145100153240³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2145100153199 and 2145100153208.

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 23 ways as a sum of consecutive naturals, for example, 1652949 + ... + 2649988.

It is an arithmetic number, because the mean of its divisors is an integer number (55798348515).

Almost surely, 2^{2145100153240} is an apocalyptic number.

2145100153240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145100153240 is an abundant number, since it is smaller than the sum of its proper divisors (3211541304200).

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

2145100153240 is a wasteful number, since it uses less digits than its factorization.

2145100153240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303073 (or 4303058 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 2145100153240 its reverse (423510015412), we get a palindrome (2568610168652).

The spelling of 2145100153240 in words is "two trillion, one hundred forty-five billion, one hundred million, one hundred fifty-three thousand, two hundred forty".