101454455545 has 4 divisors (see below), whose sum is σ = 121745346660. Its totient is φ = 81163564432.

The previous prime is 101454455513. The next prime is 101454455551. The reversal of 101454455545 is 545554454101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15244100089 + 86210355456 = 123467^2 + 293616^2 .

It is a cyclic number.

It is not a de Polignac number, because 101454455545 - 2⁵ = 101454455513 is a prime.

It is a super-3 number, since 3×101454455545³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10145445550 + ... + 10145445559.

It is an arithmetic number, because the mean of its divisors is an integer number (30436336665).

Almost surely, 2^101454455545 is an apocalyptic number.

It is an amenable number.

101454455545 is a deficient number, since it is larger than the sum of its proper divisors (20290891115).

101454455545 is an equidigital number, since it uses as much as digits as its factorization.

101454455545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20290891114.

The product of its (nonzero) digits is 800000, while the sum is 43.

The spelling of 101454455545 in words is "one hundred one billion, four hundred fifty-four million, four hundred fifty-five thousand, five hundred forty-five".