145242155314120 has 16 divisors (see below), whose sum is σ = 326794849456860. Its totient is φ = 58096862125632.

The previous prime is 145242155314097. The next prime is 145242155314121. The reversal of 145242155314120 is 21413551242541.

It can be written as a sum of positive squares in 2 ways, for example, as 129434263178724 + 15807892135396 = 11376918^2 + 3975914^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 3631053882853 = 145242155314120 / (1 + 4 + 5 + 2 + 4 + 2 + 1 + 5 + 5 + 3 + 1 + 4 + 1 + 2 + 0).

It is not an unprimeable number, because it can be changed into a prime (145242155314121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1815526941387 + ... + 1815526941466.

Almost surely, 2^{145242155314120} is an apocalyptic number.

145242155314120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145242155314120 is an abundant number, since it is smaller than the sum of its proper divisors (181552694142740).

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

145242155314120 is a wasteful number, since it uses less digits than its factorization.

145242155314120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631053882864 (or 3631053882860 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 145242155314120 in words is "one hundred forty-five trillion, two hundred forty-two billion, one hundred fifty-five million, three hundred fourteen thousand, one hundred twenty".