145105435555 has 32 divisors (see below), whose sum is σ = 176676147648. Its totient is φ = 114401280000.

The previous prime is 145105435537. The next prime is 145105435567. The reversal of 145105435555 is 555534501541.

It is a happy number.

It is not a de Polignac number, because 145105435555 - 2⁷ = 145105435427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47714835 + ... + 47717875.

It is an arithmetic number, because the mean of its divisors is an integer number (5521129614).

Almost surely, 2^145105435555 is an apocalyptic number.

145105435555 is a deficient number, since it is larger than the sum of its proper divisors (31570712093).

145105435555 is a wasteful number, since it uses less digits than its factorization.

145105435555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687.

The product of its (nonzero) digits is 750000, while the sum is 43.

The spelling of 145105435555 in words is "one hundred forty-five billion, one hundred five million, four hundred thirty-five thousand, five hundred fifty-five".