45020515403 has 4 divisors (see below), whose sum is σ = 45296715048. Its totient is φ = 44744315760.

The previous prime is 45020515381. The next prime is 45020515417. The reversal of 45020515403 is 30451502054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30451502054 = 2 ⋅15225751027.

It is a cyclic number.

It is not a de Polignac number, because 45020515403 - 2³² = 40725548107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45020512403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138099578 + ... + 138099903.

It is an arithmetic number, because the mean of its divisors is an integer number (11324178762).

Almost surely, 2^45020515403 is an apocalyptic number.

45020515403 is a deficient number, since it is larger than the sum of its proper divisors (276199645).

45020515403 is a wasteful number, since it uses less digits than its factorization.

45020515403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276199644.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 45020515403 in words is "forty-five billion, twenty million, five hundred fifteen thousand, four hundred three".