2145020768952 has 32 divisors (see below), whose sum is σ = 5507485760400. Its totient is φ = 695682411264.

The previous prime is 2145020768911. The next prime is 2145020768959. The reversal of 2145020768952 is 2598670205412.

It is a super-2 number, since 2×2145020768952² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2145020768895 and 2145020768904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145020768959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207781077 + ... + 1207782852.

Almost surely, 2^{2145020768952} is an apocalyptic number.

It is an amenable number.

2145020768952 is an abundant number, since it is smaller than the sum of its proper divisors (3362464991448).

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

2145020768952 is a wasteful number, since it uses less digits than its factorization.

2145020768952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415563975 (or 2415563971 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 2145020768952 in words is "two trillion, one hundred forty-five billion, twenty million, seven hundred sixty-eight thousand, nine hundred fifty-two".