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1142441303 = 23379131059
BaseRepresentation
bin100010000011000…
…0100010101010111
32221121201000211212
41010012010111113
54314431110203
6305210252035
740211406443
oct10406042527
92847630755
101142441303
11536973073
1227a72701b
131528c0793
14aba29823
156a46b1d8
hex44184557

1142441303 has 8 divisors (see below), whose sum is σ = 1195267200. Its totient is φ = 1089878328.

The previous prime is 1142441231. The next prime is 1142441323. The reversal of 1142441303 is 3031442411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142441303 - 210 = 1142440279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142441323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56813 + ... + 74246.

It is an arithmetic number, because the mean of its divisors is an integer number (149408400).

Almost surely, 21142441303 is an apocalyptic number.

1142441303 is a deficient number, since it is larger than the sum of its proper divisors (52825897).

1142441303 is a wasteful number, since it uses less digits than its factorization.

1142441303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131461.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1142441303 is about 33800.0192751424. The cubic root of 1142441303 is about 1045.3890946693.

Adding to 1142441303 its reverse (3031442411), we get a palindrome (4173883714).

The spelling of 1142441303 in words is "one billion, one hundred forty-two million, four hundred forty-one thousand, three hundred three".

Divisors: 1 23 379 8717 131059 3014357 49671361 1142441303