145222047854 has 16 divisors (see below), whose sum is σ = 234638648160. Its totient is φ = 67011507360.

The previous prime is 145222047811. The next prime is 145222047857. The reversal of 145222047854 is 458740222541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145222047857) 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, 458642 + ... + 707669.

It is an arithmetic number, because the mean of its divisors is an integer number (14664915510).

Almost surely, 2^145222047854 is an apocalyptic number.

145222047854 is a deficient number, since it is larger than the sum of its proper divisors (89416600306).

145222047854 is a wasteful number, since it uses less digits than its factorization.

145222047854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171115.

The product of its (nonzero) digits is 716800, while the sum is 44.

The spelling of 145222047854 in words is "one hundred forty-five billion, two hundred twenty-two million, forty-seven thousand, eight hundred fifty-four".