2145162226402 has 16 divisors (see below), whose sum is σ = 3465303008832. Its totient is φ = 990063173520.

The previous prime is 2145162226399. The next prime is 2145162226409. The reversal of 2145162226402 is 2046222615412.

It is not an unprimeable number, because it can be changed into a prime (2145162226409) 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, 1993077 + ... + 2874487.

It is an arithmetic number, because the mean of its divisors is an integer number (216581438052).

Almost surely, 2^{2145162226402} is an apocalyptic number.

2145162226402 is a deficient number, since it is larger than the sum of its proper divisors (1320140782430).

2145162226402 is a wasteful number, since it uses less digits than its factorization.

2145162226402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975033.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 2145162226402 in words is "two trillion, one hundred forty-five billion, one hundred sixty-two million, two hundred twenty-six thousand, four hundred two".