145424255620 has 48 divisors (see below), whose sum is σ = 360276876288. Its totient is φ = 48251364480.

The previous prime is 145424255617. The next prime is 145424255659. The reversal of 145424255620 is 26552424541.

It is a super-2 number, since 2×145424255620² (a number of 23 digits) contains 22 as substring.

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, 16749607 + ... + 16758286.

It is an arithmetic number, because the mean of its divisors is an integer number (7505768256).

Almost surely, 2^145424255620 is an apocalyptic number.

145424255620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145424255620 is an abundant number, since it is smaller than the sum of its proper divisors (214852620668).

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

145424255620 is a wasteful number, since it uses less digits than its factorization.

145424255620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33507940 (or 33507938 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 145424255620 in words is "one hundred forty-five billion, four hundred twenty-four million, two hundred fifty-five thousand, six hundred twenty".