14542631545 has 16 divisors (see below), whose sum is σ = 18821536272. Its totient is φ = 10723184640.

The previous prime is 14542631531. The next prime is 14542631561. The reversal of 14542631545 is 54513624541.

It can be written as a sum of positive squares in 8 ways, for example, as 147671104 + 14394960441 = 12152^2 + 119979^2 .

It is not a de Polignac number, because 14542631545 - 2¹³ = 14542623353 is a prime.

It is a super-2 number, since 2×14542631545² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14542631498 and 14542631507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122476 + ... + 209965.

It is an arithmetic number, because the mean of its divisors is an integer number (1176346017).

Almost surely, 2^14542631545 is an apocalyptic number.

It is an amenable number.

14542631545 is a deficient number, since it is larger than the sum of its proper divisors (4278904727).

14542631545 is a wasteful number, since it uses less digits than its factorization.

14542631545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333132.

The product of its digits is 288000, while the sum is 40.

The spelling of 14542631545 in words is "fourteen billion, five hundred forty-two million, six hundred thirty-one thousand, five hundred forty-five".