1355002545 has 16 divisors (see below), whose sum is σ = 2334773952. Its totient is φ = 667078080.

The previous prime is 1355002531. The next prime is 1355002547. The reversal of 1355002545 is 5452005531.

It is a happy number.

It is not a de Polignac number, because 1355002545 - 2⁷ = 1355002417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1355002547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3474171 + ... + 3474560.

It is an arithmetic number, because the mean of its divisors is an integer number (145923372).

Almost surely, 2^1355002545 is an apocalyptic number.

1355002545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1355002545 is a deficient number, since it is larger than the sum of its proper divisors (979771407).

1355002545 is a wasteful number, since it uses less digits than its factorization.

1355002545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6948752.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 1355002545 is about 36810.3592077013. The cubic root of 1355002545 is about 1106.5729174447.

The spelling of 1355002545 in words is "one billion, three hundred fifty-five million, two thousand, five hundred forty-five".