1055315745 has 24 divisors (see below), whose sum is σ = 1995507072. Its totient is φ = 511668000.

The previous prime is 1055315741. The next prime is 1055315797. The reversal of 1055315745 is 5475135501.

It is a happy number.

1055315745 is a `hidden beast` number, since 1 + 0 + 55 + 31 + 574 + 5 = 666.

It is not a de Polignac number, because 1055315745 - 2² = 1055315741 is a prime.

It is a super-2 number, since 2×1055315745² = 2227382643289810050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055315741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1065481 + ... + 1066470.

It is an arithmetic number, because the mean of its divisors is an integer number (83146128).

Almost surely, 2^1055315745 is an apocalyptic number.

1055315745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055315745 is a deficient number, since it is larger than the sum of its proper divisors (940191327).

1055315745 is a wasteful number, since it uses less digits than its factorization.

1055315745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131973 (or 2131970 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

The square root of 1055315745 is about 32485.6236664775. The cubic root of 1055315745 is about 1018.1086780222.

The spelling of 1055315745 in words is "one billion, fifty-five million, three hundred fifteen thousand, seven hundred forty-five".