35781045 has 16 divisors (see below), whose sum is σ = 57371712. Its totient is φ = 19042560.

The previous prime is 35781043. The next prime is 35781061. The reversal of 35781045 is 54018753.

It is not a de Polignac number, because 35781045 - 2¹ = 35781043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 35780997 and 35781015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35781043) 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, 5565 + ... + 10125.

It is an arithmetic number, because the mean of its divisors is an integer number (3585732).

Almost surely, 2^35781045 is an apocalyptic number.

It is an amenable number.

35781045 is a deficient number, since it is larger than the sum of its proper divisors (21590667).

35781045 is a wasteful number, since it uses less digits than its factorization.

35781045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 35781045 is about 5981.7259215046. The cubic root of 35781045 is about 329.5219432396.

Adding to 35781045 its reverse (54018753), we get a palindrome (89799798).

The spelling of 35781045 in words is "thirty-five million, seven hundred eighty-one thousand, forty-five".