889142952145 has 16 divisors (see below), whose sum is σ = 1220578829568. Its totient is φ = 609106633920.

The previous prime is 889142952133. The next prime is 889142952179. The reversal of 889142952145 is 541259241988.

It is not a de Polignac number, because 889142952145 - 2⁹ = 889142951633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 889142952145.

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, 12284034 + ... + 12356203.

It is an arithmetic number, because the mean of its divisors is an integer number (76286176848).

Almost surely, 2^889142952145 is an apocalyptic number.

It is an amenable number.

889142952145 is a deficient number, since it is larger than the sum of its proper divisors (331435877423).

889142952145 is a wasteful number, since it uses less digits than its factorization.

889142952145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24641280.

The product of its digits is 8294400, while the sum is 58.

The spelling of 889142952145 in words is "eight hundred eighty-nine billion, one hundred forty-two million, nine hundred fifty-two thousand, one hundred forty-five".