2145140355354 has 64 divisors (see below), whose sum is σ = 4533997109760. Its totient is φ = 674731270080.

The previous prime is 2145140355329. The next prime is 2145140355361. The reversal of 2145140355354 is 4535530415412.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29237764 + ... + 29311040.

It is an arithmetic number, because the mean of its divisors is an integer number (70843704840).

Almost surely, 2^{2145140355354} is an apocalyptic number.

2145140355354 is an abundant number, since it is smaller than the sum of its proper divisors (2388856754406).

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

2145140355354 is a wasteful number, since it uses less digits than its factorization.

2145140355354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74315.

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 2145140355354 in words is "two trillion, one hundred forty-five billion, one hundred forty million, three hundred fifty-five thousand, three hundred fifty-four".