1945030455 has 32 divisors (see below), whose sum is σ = 3465443520. Its totient is φ = 1035066240.

The previous prime is 1945030433. The next prime is 1945030457. The reversal of 1945030455 is 5540305491.

It is not a de Polignac number, because 1945030455 - 2⁶ = 1945030391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1945030457) 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, 46609 + ... + 77861.

It is an arithmetic number, because the mean of its divisors is an integer number (108295110).

Almost surely, 2^1945030455 is an apocalyptic number.

1945030455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1945030455 is a deficient number, since it is larger than the sum of its proper divisors (1520413065).

1945030455 is a wasteful number, since it uses less digits than its factorization.

1945030455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31728 (or 31722 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 1945030455 is about 44102.4994189672. The cubic root of 1945030455 is about 1248.2707726547.

The spelling of 1945030455 in words is "one billion, nine hundred forty-five million, thirty thousand, four hundred fifty-five".