145216234075 has 24 divisors (see below), whose sum is σ = 196668568656. Its totient is φ = 105487824000.

The previous prime is 145216234049. The next prime is 145216234087. The reversal of 145216234075 is 570432612541.

It is not a de Polignac number, because 145216234075 - 2⁹ = 145216233563 is a prime.

It is a super-2 number, since 2×145216234075² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74956 + ... + 544105.

It is an arithmetic number, because the mean of its divisors is an integer number (8194523694).

Almost surely, 2^145216234075 is an apocalyptic number.

145216234075 is a deficient number, since it is larger than the sum of its proper divisors (51452334581).

145216234075 is a wasteful number, since it uses less digits than its factorization.

145216234075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619935 (or 619930 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 145216234075 in words is "one hundred forty-five billion, two hundred sixteen million, two hundred thirty-four thousand, seventy-five".