2145364215254 has 32 divisors (see below), whose sum is σ = 3684106510560. Its totient is φ = 928766304000.

The previous prime is 2145364215217. The next prime is 2145364215307. The reversal of 2145364215254 is 4525124635412.

It is a super-2 number, since 2×2145364215254² (a number of 25 digits) contains 22 as substring.

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, 21449327 + ... + 21549114.

It is an arithmetic number, because the mean of its divisors is an integer number (115128328455).

Almost surely, 2^{2145364215254} is an apocalyptic number.

2145364215254 is a deficient number, since it is larger than the sum of its proper divisors (1538742295306).

2145364215254 is a wasteful number, since it uses less digits than its factorization.

2145364215254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42998576.

The product of its digits is 1152000, while the sum is 44.

The spelling of 2145364215254 in words is "two trillion, one hundred forty-five billion, three hundred sixty-four million, two hundred fifteen thousand, two hundred fifty-four".