1953045445 has 16 divisors (see below), whose sum is σ = 2525080320. Its totient is φ = 1441594944.

The previous prime is 1953045349. The next prime is 1953045469. The reversal of 1953045445 is 5445403591.

It is a cyclic number.

It is not a de Polignac number, because 1953045445 - 2¹⁹ = 1952521157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1953045398 and 1953045407.

It is a congruent number.

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, 174426 + ... + 185284.

It is an arithmetic number, because the mean of its divisors is an integer number (157817520).

Almost surely, 2^1953045445 is an apocalyptic number.

It is an amenable number.

1953045445 is a deficient number, since it is larger than the sum of its proper divisors (572034875).

1953045445 is a wasteful number, since it uses less digits than its factorization.

1953045445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13644.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 1953045445 is about 44193.2737529140. The cubic root of 1953045445 is about 1249.9830280362.

The spelling of 1953045445 in words is "one billion, nine hundred fifty-three million, forty-five thousand, four hundred forty-five".