145002252040 has 32 divisors (see below), whose sum is σ = 330850215360. Its totient is φ = 57183985600.

The previous prime is 145002252037. The next prime is 145002252041. The reversal of 145002252040 is 40252200541.

It is a junction number, because it is equal to n+sod(n) for n = 145002251996 and 145002252014.

It is not an unprimeable number, because it can be changed into a prime (145002252041) 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, 25525726 + ... + 25531405.

It is an arithmetic number, because the mean of its divisors is an integer number (10339069230).

Almost surely, 2^145002252040 is an apocalyptic number.

145002252040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145002252040 is an abundant number, since it is smaller than the sum of its proper divisors (185847963320).

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

145002252040 is a wasteful number, since it uses less digits than its factorization.

145002252040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51057213 (or 51057209 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 145002252040 its reverse (40252200541), we get a palindrome (185254452581).

The spelling of 145002252040 in words is "one hundred forty-five billion, two million, two hundred fifty-two thousand, forty".