145416505538 has 8 divisors (see below), whose sum is σ = 218595871488. Its totient is φ = 72551215044.

The previous prime is 145416505537. The next prime is 145416505607. The reversal of 145416505538 is 835505614541.

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

It is a super-2 number, since 2×145416505538² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145416505492 and 145416505501.

It is not an unprimeable number, because it can be changed into a prime (145416505537) 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, 78517706 + ... + 78519557.

It is an arithmetic number, because the mean of its divisors is an integer number (27324483936).

Almost surely, 2^145416505538 is an apocalyptic number.

145416505538 is a deficient number, since it is larger than the sum of its proper divisors (73179365950).

145416505538 is a wasteful number, since it uses less digits than its factorization.

145416505538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157037728.

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 145416505538 in words is "one hundred forty-five billion, four hundred sixteen million, five hundred five thousand, five hundred thirty-eight".