45424443153215 has 32 divisors (see below), whose sum is σ = 63475818946560. Its totient is φ = 30558544458624.

The previous prime is 45424443153209. The next prime is 45424443153217. The reversal of 45424443153215 is 51235134442454.

It is not a de Polignac number, because 45424443153215 - 2¹⁸ = 45424442891071 is a prime.

It is a super-2 number, since 2×45424443153215² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45424443153215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45424443153217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28699706 + ... + 30241064.

It is an arithmetic number, because the mean of its divisors is an integer number (1983619342080).

Almost surely, 2^{45424443153215} is an apocalyptic number.

45424443153215 is a deficient number, since it is larger than the sum of its proper divisors (18051375793345).

45424443153215 is a wasteful number, since it uses less digits than its factorization.

45424443153215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557311.

The product of its digits is 4608000, while the sum is 47.

Adding to 45424443153215 its reverse (51235134442454), we get a palindrome (96659577595669).

The spelling of 45424443153215 in words is "forty-five trillion, four hundred twenty-four billion, four hundred forty-three million, one hundred fifty-three thousand, two hundred fifteen".