145864847044 has 24 divisors (see below), whose sum is σ = 291802470848. Its totient is φ = 62497910880.

The previous prime is 145864847041. The next prime is 145864847059. The reversal of 145864847044 is 440748468541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145864847041) 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, 535194 + ... + 760369.

Almost surely, 2^145864847044 is an apocalyptic number.

145864847044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145864847044 is an abundant number, since it is smaller than the sum of its proper divisors (145937623804).

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

145864847044 is a wasteful number, since it uses less digits than its factorization.

145864847044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299595 (or 1299593 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 55.

The spelling of 145864847044 in words is "one hundred forty-five billion, eight hundred sixty-four million, eight hundred forty-seven thousand, forty-four".