145420013404440 has 96 divisors (see below), whose sum is σ = 472768543447200. Its totient is φ = 38766075379200.

The previous prime is 145420013404433. The next prime is 145420013404441. The reversal of 145420013404440 is 44404310024541.

145420013404440 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 200 + 1 + 3 + 4 + 0 + 4 + 440 = 666.

It is a super-2 number, since 2×145420013404440² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 145420013404395 and 145420013404404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145420013404441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64488261 + ... + 66705140.

It is an arithmetic number, because the mean of its divisors is an integer number (4924672327575).

Almost surely, 2^{145420013404440} is an apocalyptic number.

145420013404440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145420013404440 is an abundant number, since it is smaller than the sum of its proper divisors (327348530042760).

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

145420013404440 is a wasteful number, since it uses less digits than its factorization.

145420013404440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131196497 (or 131196490 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 145420013404440 its reverse (44404310024541), we get a palindrome (189824323428981).

The spelling of 145420013404440 in words is "one hundred forty-five trillion, four hundred twenty billion, thirteen million, four hundred four thousand, four hundred forty".