145280426538 has 32 divisors (see below), whose sum is σ = 312943176000. Its totient is φ = 44697171456.

The previous prime is 145280426507. The next prime is 145280426567. The reversal of 145280426538 is 835624082541.

It is a super-2 number, since 2×145280426538² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732813 + ... + 909711.

It is an arithmetic number, because the mean of its divisors is an integer number (9779474250).

Almost surely, 2^145280426538 is an apocalyptic number.

145280426538 is an abundant number, since it is smaller than the sum of its proper divisors (167662749462).

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

145280426538 is a wasteful number, since it uses less digits than its factorization.

145280426538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187446.

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 145280426538 in words is "one hundred forty-five billion, two hundred eighty million, four hundred twenty-six thousand, five hundred thirty-eight".