2145370574446 has 32 divisors (see below), whose sum is σ = 3542606876160. Its totient is φ = 974345467480.

The previous prime is 2145370574423. The next prime is 2145370574461. The reversal of 2145370574446 is 6444750735412.

It is a happy number.

It is a super-2 number, since 2×2145370574446² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2145370574393 and 2145370574402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2820315 + ... + 3499273.

It is an arithmetic number, because the mean of its divisors is an integer number (110706464880).

Almost surely, 2^{2145370574446} is an apocalyptic number.

2145370574446 is a deficient number, since it is larger than the sum of its proper divisors (1397236301714).

2145370574446 is a wasteful number, since it uses less digits than its factorization.

2145370574446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680181 (or 680159 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 52.

The spelling of 2145370574446 in words is "two trillion, one hundred forty-five billion, three hundred seventy million, five hundred seventy-four thousand, four hundred forty-six".