45511403 has 8 divisors (see below), whose sum is σ = 54750720. Its totient is φ = 36956520.

The previous prime is 45511399. The next prime is 45511409. The reversal of 45511403 is 30411554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45511403 - 2² = 45511399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45511409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170963 + ... + 171228.

It is an arithmetic number, because the mean of its divisors is an integer number (6843840).

Almost surely, 2^45511403 is an apocalyptic number.

45511403 is a deficient number, since it is larger than the sum of its proper divisors (9239317).

45511403 is a wasteful number, since it uses less digits than its factorization.

45511403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342217.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 45511403 is about 6746.2139752605. The cubic root of 45511403 is about 357.0316699903.

Adding to 45511403 its reverse (30411554), we get a palindrome (75922957).

The spelling of 45511403 in words is "forty-five million, five hundred eleven thousand, four hundred three".