1357041545 has 4 divisors (see below), whose sum is σ = 1628449860. Its totient is φ = 1085633232.

The previous prime is 1357041529. The next prime is 1357041547. The reversal of 1357041545 is 5451407531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 796819984 + 560221561 = 28228^2 + 23669^2 .

It is a cyclic number.

It is not a de Polignac number, because 1357041545 - 2⁴ = 1357041529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1357041547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135704150 + ... + 135704159.

It is an arithmetic number, because the mean of its divisors is an integer number (407112465).

Almost surely, 2^1357041545 is an apocalyptic number.

It is an amenable number.

1357041545 is a deficient number, since it is larger than the sum of its proper divisors (271408315).

1357041545 is an equidigital number, since it uses as much as digits as its factorization.

1357041545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271408314.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 1357041545 is about 36838.0448042509. The cubic root of 1357041545 is about 1107.1276941068.

The spelling of 1357041545 in words is "one billion, three hundred fifty-seven million, forty-one thousand, five hundred forty-five".