2145144045052 has 6 divisors (see below), whose sum is σ = 3754002078848. Its totient is φ = 1072572022524.

The previous prime is 2145144045047. The next prime is 2145144045061. The reversal of 2145144045052 is 2505404415412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268143005628 + ... + 268143005635.

Almost surely, 2^{2145144045052} is an apocalyptic number.

It is an amenable number.

2145144045052 is a deficient number, since it is larger than the sum of its proper divisors (1608858033796).

2145144045052 is a wasteful number, since it uses less digits than its factorization.

2145144045052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536286011267 (or 536286011265 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 37.

The spelling of 2145144045052 in words is "two trillion, one hundred forty-five billion, one hundred forty-four million, forty-five thousand, fifty-two".