145401255439 has 8 divisors (see below), whose sum is σ = 158665582800. Its totient is φ = 132144600000.

The previous prime is 145401255427. The next prime is 145401255443. The reversal of 145401255439 is 934552104541.

It is a happy number.

145401255439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145401255439 - 2¹¹ = 145401253391 is a prime.

It is a super-2 number, since 2×145401255439² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145401255395 and 145401255404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145401255409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1878312 + ... + 1954189.

It is an arithmetic number, because the mean of its divisors is an integer number (19833197850).

Almost surely, 2^145401255439 is an apocalyptic number.

145401255439 is a deficient number, since it is larger than the sum of its proper divisors (13264327361).

145401255439 is a wasteful number, since it uses less digits than its factorization.

145401255439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835961.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 145401255439 in words is "one hundred forty-five billion, four hundred one million, two hundred fifty-five thousand, four hundred thirty-nine".