2145401566032 has 40 divisors (see below), whose sum is σ = 5625008094496. Its totient is φ = 704460214656.

The previous prime is 2145401565977. The next prime is 2145401566039. The reversal of 2145401566032 is 2306651045412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145401566039) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 333548023 + ... + 333554454.

Almost surely, 2^{2145401566032} is an apocalyptic number.

It is an amenable number.

2145401566032 is an abundant number, since it is smaller than the sum of its proper divisors (3479606528464).

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

2145401566032 is a wasteful number, since it uses less digits than its factorization.

2145401566032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667102555 (or 667102549 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 2145401566032 in words is "two trillion, one hundred forty-five billion, four hundred one million, five hundred sixty-six thousand, thirty-two".