1352541645 has 144 divisors (see below), whose sum is σ = 3011928192. Its totient is φ = 570136320.

The previous prime is 1352541599. The next prime is 1352541649. The reversal of 1352541645 is 5461452531.

1352541645 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 5 + 4 + 1 + 645 = 666.

It is not a de Polignac number, because 1352541645 - 2⁸ = 1352541389 is a prime.

It is a super-3 number, since 3×1352541645³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352541649) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1436875 + ... + 1437815.

It is an arithmetic number, because the mean of its divisors is an integer number (20916168).

Almost surely, 2^1352541645 is an apocalyptic number.

1352541645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1352541645 is an abundant number, since it is smaller than the sum of its proper divisors (1659386547).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1352541645 is an equidigital number, since it uses as much as digits as its factorization.

1352541645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 969 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 1352541645 is about 36776.9172851668. The cubic root of 1352541645 is about 1105.9026073815.

The spelling of 1352541645 in words is "one billion, three hundred fifty-two million, five hundred forty-one thousand, six hundred forty-five".