Search a number
-
+
1145357 = 3136947
BaseRepresentation
bin100010111101000001101
32011012010122
410113220031
5243122412
640314325
712510143
oct4275015
92135118
101145357
11712584
124729a5
13311435
1421b593
15179572
hex117a0d

1145357 has 4 divisors (see below), whose sum is σ = 1182336. Its totient is φ = 1108380.

The previous prime is 1145329. The next prime is 1145359. The reversal of 1145357 is 7535411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1145357 - 26 = 1145293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145359) 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, 18443 + ... + 18504.

It is an arithmetic number, because the mean of its divisors is an integer number (295584).

21145357 is an apocalyptic number.

It is an amenable number.

1145357 is a deficient number, since it is larger than the sum of its proper divisors (36979).

1145357 is an equidigital number, since it uses as much as digits as its factorization.

1145357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36978.

The product of its digits is 2100, while the sum is 26.

The square root of 1145357 is about 1070.2135300957. The cubic root of 1145357 is about 104.6277673796.

The spelling of 1145357 in words is "one million, one hundred forty-five thousand, three hundred fifty-seven".

Divisors: 1 31 36947 1145357