2045215155342 has 16 divisors (see below), whose sum is σ = 4092790649040. Its totient is φ = 681344995392.

The previous prime is 2045215155317. The next prime is 2045215155353. The reversal of 2045215155342 is 2435515125402.

It is a super-2 number, since 2×2045215155342² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2045215155342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98336167 + ... + 98356962.

It is an arithmetic number, because the mean of its divisors is an integer number (255799415565).

Almost surely, 2^{2045215155342} is an apocalyptic number.

2045215155342 is an abundant number, since it is smaller than the sum of its proper divisors (2047575493698).

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

2045215155342 is a wasteful number, since it uses less digits than its factorization.

2045215155342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196694867.

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 2045215155342 in words is "two trillion, forty-five billion, two hundred fifteen million, one hundred fifty-five thousand, three hundred forty-two".