145523434553 has 16 divisors (see below), whose sum is σ = 166535285760. Its totient is φ = 124567405200.

The previous prime is 145523434523. The next prime is 145523434591. The reversal of 145523434553 is 355434325541.

It is not a de Polignac number, because 145523434553 - 2¹² = 145523430457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145523434523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21784868 + ... + 21791546.

It is an arithmetic number, because the mean of its divisors is an integer number (10408455360).

Almost surely, 2^145523434553 is an apocalyptic number.

It is an amenable number.

145523434553 is a deficient number, since it is larger than the sum of its proper divisors (21011851207).

145523434553 is a wasteful number, since it uses less digits than its factorization.

145523434553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10388.

The product of its digits is 2160000, while the sum is 44.

The spelling of 145523434553 in words is "one hundred forty-five billion, five hundred twenty-three million, four hundred thirty-four thousand, five hundred fifty-three".