145231004044 has 48 divisors (see below), whose sum is σ = 294365833216. Its totient is φ = 61409793600.

The previous prime is 145231004041. The next prime is 145231004071. The reversal of 145231004044 is 440400132541.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (145231004041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688654 + ... + 874474.

Almost surely, 2^145231004044 is an apocalyptic number.

145231004044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145231004044 is an abundant number, since it is smaller than the sum of its proper divisors (149134829172).

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

145231004044 is a wasteful number, since it uses less digits than its factorization.

145231004044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186206 (or 186204 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 145231004044 its reverse (440400132541), we get a palindrome (585631136585).

The spelling of 145231004044 in words is "one hundred forty-five billion, two hundred thirty-one million, four thousand, forty-four".